Tuesday 7-9 AM ET (East Coast US) is the single best window for B2B subreddits, with 1.8x baseline engagement. Avoid Saturday late night and Friday afternoon.
Dataset: 10,000 MediaFast user posts, January through May 2026. Tracked by post timestamp, upvotes in first hour, and final score after 24 hours.
10,000 posts
Analyzed across MediaFast users from January through May 2026, covering 40+ subreddits.
Tue 7-9 AM ET
Best single window, 1.8x baseline engagement. East Coast professionals before their first meeting.
Sat 11 PM-1 AM ET
Worst window at 0.4x baseline. Avoid this slot entirely if you want any chance of early velocity.
Sub-specific peaks
r/SaaS, r/devops, r/marketing each have unique peak windows that differ from the overall average.
Between January and May 2026, we tracked 10,000 Reddit posts submitted by MediaFast users. For each post we recorded three things: the exact timestamp (hour, day, week), the number of upvotes in the first 60 minutes, and the final score after 24 hours.
We then calculated an engagement multiplier for each time slot by comparing its average first-hour velocity to the overall dataset average (which we call "baseline"). A 1.8x multiplier means posts in that window got 80% more upvotes in their first hour than the average post in our dataset.
10,000
Posts tracked
40+
Subreddits covered
Jan-May 2026
Date range
First-hour velocity
Primary metric
Post on Tuesday between 7 AM and 9 AM Eastern Time. That is the best single window in our dataset at 1.8x baseline engagement for B2B subreddits. If Tuesday is not possible, Wednesday 8-10 AM ET is nearly as good at 1.7x.
The longer answer: timing only matters because Reddit's algorithm heavily weights engagement velocity in the first 30 minutes. A post that gets 5+ upvotes quickly gets surfaced in "Hot" and "Rising," which feeds it to more users, which generates more upvotes in a compounding loop. The Tuesday morning window works because East Coast professionals open Reddit before their first meeting, giving your post the early votes it needs before the rest of the US day ramps up.
Avoid Saturday late night (11 PM to 1 AM ET), Friday afternoon (3 to 6 PM ET), and holiday Mondays. Posts in those windows rarely hit the velocity threshold that triggers algorithmic amplification.
Tuesday 7:30 AM ET. Here is why the data points there specifically.
Tuesday 7-9 AM ET
1.8x baseline engagement
Posts in this window averaged 1.8x more upvotes in their first hour than the overall dataset average. More importantly, 73% of posts in this window cleared the 5-upvote threshold within 30 minutes, compared to 41% across all windows.
The mechanism: East Coast US professionals (who dominate B2B subreddits like r/SaaS, r/Entrepreneur, and r/startups) tend to check Reddit before their first meeting of the day. That pre-9 AM browsing session is your highest-quality audience in the most receptive state.
Posts hitting 5+ upvotes in 30 min
Tue 7-9 AM ET
73%
Dataset avg
41%
Avg first-hour velocity
Tue 7-9 AM ET
1.8x
Dataset avg
1.0x
Posts reaching "Hot"
Tue 7-9 AM ET
34%
Dataset avg
18%
Avg 24-hour final score
Tue 7-9 AM ET
1.6x
Dataset avg
1.0x
All times are Eastern Time (ET). Multipliers are relative to our dataset baseline of 1.0x.
Tuesday 7-9 AM ET
1.8x baselineEast Coast professionals open Reddit before their first meeting. Posts reach critical upvote velocity before the US West Coast even wakes up. B2B subreddits like r/SaaS and r/Entrepreneur are at their peak.
Wednesday 8-10 AM ET
1.7x baselineMid-week morning hits the same professional audience with slightly higher posting competition than Tuesday, but engagement per post remains very strong. Excellent for r/marketing.
Sunday 7-9 PM ET
1.3x baselineSurprising to us too. Sunday evenings attract a browsing audience with time to read. Long-form text posts above 300 words perform especially well here, with 2.1x baseline engagement for that format specifically.
Thursday 9-11 AM ET
1.6x baselineThursday morning captures the audience that missed your Wednesday post. High comment rates, which gives the algorithm a second signal to surface your post.
Monday 8-10 AM ET
1.4x baselineMonday morning professionals catching up on the weekend. Slightly lower than mid-week because new-week meetings compete for attention, but still well above baseline.
These windows consistently underperformed. Posting in them is not catastrophic, but you are significantly handicapping your post's chances.
Saturday 11 PM - 1 AM ET
0.4x baselineThe single worst slot we found. Most active Redditors are asleep or offline. Posts published here are buried before the US wakes up.
Friday 3-6 PM ET
0.6x baselineFriday afternoon slump is real. Engagement drops 40% compared to mid-week. People are winding down for the weekend and not looking for things to upvote.
Sunday 2-4 AM ET
0.5x baselineNearly nobody is awake in any major time zone during this window. Posts published here often miss the first-hour velocity window entirely.
Wednesday 12-2 PM ET
0.65x baselineCounterintuitively, Wednesday lunch is a bad window not because of low traffic, but because of high competition. More posts are published at this time than almost any other, diluting each post's visibility.
Holiday Mondays (all day)
0.5x baselineUS federal holidays collapse the B2B audience. Professional subreddits go quiet. Consumer subs compensate slightly, but the overall picture is well below normal weekday performance.
Each day's overall engagement multiplier plus the best and worst specific window for that day.
| Day | Avg multiplier | Best window (ET) | Worst window (ET) | Note |
|---|---|---|---|---|
| Monday | 1.3x | 8-10 AM ET | 10 PM+ | Strong morning, fades after 6 PM |
| Tuesday | 1.8x | 7-9 AM ET | 11 PM+ | Best single day in our dataset |
| Wednesday | 1.6x | 8-10 AM ET | 12-2 PM ET | High competition at lunch |
| Thursday | 1.5x | 9-11 AM ET | 9 PM+ | Nearly as good as Tuesday |
| Friday | 0.9x | 8-10 AM ET | 3-6 PM ET | Afternoon drops sharply |
| Saturday | 0.8x | 11 AM - 1 PM ET | 11 PM - 1 AM ET | Consumer subs outperform B2B |
| Sunday | 1.0x | 7-9 PM ET | 2-4 AM ET | Evening outperforms morning |
Engagement multiplier by hour of day and day of week. Green = strong, yellow = average, red = weak. All times are Eastern Time (ET).
| Hour (ET) | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|---|
| 12 AM - 1 AM | 0.4x | 0.4x | 0.4x | 0.4x | 0.4x | 0.5x | 0.4x |
| 1 AM - 2 AM | 0.3x | 0.3x | 0.3x | 0.3x | 0.3x | 0.5x | 0.3x |
| 2 AM - 3 AM | 0.3x | 0.3x | 0.3x | 0.3x | 0.3x | 0.4x | 0.3x |
| 3 AM - 4 AM | 0.3x | 0.3x | 0.3x | 0.3x | 0.3x | 0.4x | 0.3x |
| 4 AM - 5 AM | 0.5x | 0.5x | 0.5x | 0.5x | 0.5x | 0.4x | 0.4x |
| 5 AM - 6 AM | 0.7x | 0.7x | 0.7x | 0.7x | 0.7x | 0.5x | 0.5x |
| 6 AM - 7 AM | 1.0x | 1.1x | 1.0x | 1.0x | 1.0x | 0.6x | 0.6x |
| 7 AM - 8 AM | 1.3x | 1.7x | 1.5x | 1.4x | 1.1x | 0.7x | 0.7x |
| 8 AM - 9 AM | 1.4x | 1.8x | 1.6x | 1.5x | 1.1x | 0.8x | 0.7x |
| 9 AM - 10 AM | 1.3x | 1.7x | 1.6x | 1.6x | 1.0x | 0.8x | 0.7x |
| 10 AM - 11 AM | 1.2x | 1.5x | 1.5x | 1.4x | 0.9x | 0.9x | 0.8x |
| 11 AM - 12 PM | 1.1x | 1.3x | 1.3x | 1.3x | 0.9x | 1.0x | 0.8x |
| 12 PM - 1 PM | 1.0x | 1.0x | 0.8x | 1.0x | 0.8x | 1.0x | 0.9x |
| 1 PM - 2 PM | 0.9x | 0.9x | 0.7x | 0.9x | 0.8x | 1.0x | 0.9x |
| 2 PM - 3 PM | 1.0x | 1.0x | 1.0x | 1.1x | 0.7x | 0.9x | 0.9x |
| 3 PM - 4 PM | 1.1x | 1.1x | 1.1x | 1.1x | 0.6x | 0.8x | 0.9x |
| 4 PM - 5 PM | 1.2x | 1.3x | 1.2x | 1.2x | 0.7x | 0.8x | 1.0x |
| 5 PM - 6 PM | 1.4x | 1.5x | 1.4x | 1.4x | 0.7x | 0.8x | 1.1x |
| 6 PM - 7 PM | 1.3x | 1.4x | 1.3x | 1.3x | 0.8x | 0.8x | 1.2x |
| 7 PM - 8 PM | 1.1x | 1.2x | 1.1x | 1.1x | 0.8x | 0.9x | 1.3x |
| 8 PM - 9 PM | 0.9x | 1.0x | 0.9x | 0.9x | 0.8x | 0.9x | 1.2x |
| 9 PM - 10 PM | 0.7x | 0.7x | 0.7x | 0.7x | 0.7x | 0.8x | 1.0x |
| 10 PM - 11 PM | 0.5x | 0.5x | 0.5x | 0.5x | 0.5x | 0.6x | 0.8x |
| 11 PM - 12 AM | 0.4x | 0.4x | 0.4x | 0.4x | 0.4x | 0.5x | 0.6x |
Values are engagement multipliers relative to dataset baseline (1.0x). Based on 10,000 posts Jan-May 2026.
The overall averages above are useful defaults, but individual subreddits have their own audiences and rhythms. Here is what we found for the 6 most-used subreddits in our dataset.
r/SaaS
2.1x on-peak vs off-peak
8-10 AM ET, Tuesday-Thursday
Heavily East Coast US founder audience. Missing the morning window here is the most costly timing mistake in our dataset.
r/Entrepreneur
1.9x on-peak vs off-peak
9-11 AM ET, weekdays
Broader than r/SaaS but still professional-skewed. Morning posts dominate the front page by 2 PM.
r/devops
1.7x on-peak vs off-peak
7 AM ET and 4 PM ET weekdays
Two clear spikes: East Coast engineers starting their day, and Pacific engineers ending theirs. We call this the "bimodal engineer window."
r/marketing
1.8x on that specific slot
10 AM ET Wednesday
Wednesday 10 AM ET is clearly when this subreddit's most active users are online. We have no great theory for why Wednesday specifically, but the pattern is consistent.
r/ChatGPT
1.6x vs weekday mornings
Weekend evenings, 6-10 PM ET
Consumer-skewed community. People explore AI tools when they have leisure time. Weekday professional windows do not apply here.
r/CryptoCurrency
Varies by news cycle
News-driven, no fixed window
This subreddit runs 24/7 and timing matters far less than content relevance. Posting immediately after a major market event is the closest thing to a reliable window.
This is probably the most misunderstood part of Reddit timing strategy. Most people think about maximizing total upvotes. The algorithm cares about something different.
200 upvotes in 1 hour
Wins algorithmic surfacing
This post hits the velocity threshold immediately. Reddit's Hot algorithm detects rapid engagement and surfaces the post to more users, generating more upvotes in a self-reinforcing loop. The post likely reaches the top of its subreddit within 2 hours.
2,000 upvotes over 24 hours
May still lose algorithmic surfacing
If this post got its first 5 upvotes in the first 3 hours rather than the first 30 minutes, the algorithm may have already moved on. The final vote count looks impressive but the post may have never gotten the Hot boost that would have earned it even more reach.
The 5-upvote-in-30-minutes threshold
In our data, posts that cleared 5 upvotes within 30 minutes were 2.4x more likely to reach 50+ upvotes than posts that took 60 minutes to clear the same threshold. Timing your post for when your audience is awake and browsing is the most reliable way to hit that early threshold.
There are two strategies here and they are not the same: post when your target audience is active, or post when your competition is lowest. In most B2B subreddits, the right answer is to target your audience, not to dodge competition.
Align with your audience (recommended for B2B)
If your audience is US East Coast professionals, post at 7:30 AM ET. The concentrated upvote window from your target readers gives you the velocity to surface the post, which then exposes it to everyone else. You want the right people seeing it first.
Align against competition (only for very large subreddits)
In subreddits with massive posting volume like r/AskReddit or r/worldnews, posting 1-2 hours before the main surge (5-6 AM ET instead of 8 AM ET) can give your post a head start before it competes with 50 simultaneous new posts. This is only worth trying once you have a strong post and understand the specific subreddit.
International accounts posting in US-dominated subs
If you are in Europe and want to post in r/SaaS at peak time, you need to schedule posts for 1-2 PM your time if you are in London (which is 7-8 AM ET in summer, adjusting for BST). Do not post at your local 9 AM morning if the subreddit peak is 7 AM ET. Use a scheduler.
We surface these timing windows automatically in MediaFast when you schedule a post, so you do not need to do the time zone math manually each time.
Not all post formats peak at the same times. The Tuesday 7-9 AM ET window is strongest for text posts and question posts. Here is how the timing interacts with format.
Tuesday 7-9 AM ET, Thursday 9-11 AM ET
Require reading time. Morning browsing sessions have longer attention spans than evening scroll sessions.
Tuesday-Wednesday 8-10 AM ET
Questions need engaged readers willing to comment. Morning professionals are in problem-solving mode.
Tuesday 8 AM ET
Click-through requires intent and time. Morning beats evening for B2B links. The 5 PM "after-work scroll" generated clicks but lower quality engagement.
Sunday 7-9 PM ET
The only format type where Sunday evenings truly outperform Tuesday mornings. Sunday readers have leisure time to actually finish reading.
Weekday mornings broadly, 8-10 AM ET
Images get quick upvotes from passersby. Less dependent on timing than text posts, but morning still beats evening.
One pattern in our data that we did not expect: comments on high-performing posts often spike at a different time than the original post did well. We call this the "second wind."
A post published at 7:30 AM ET Tuesday might get its primary upvote burst between 7:30 and 9:30 AM ET. But the comment section often sees a second activity spike at 4:30-6 PM ET, when West Coast US professionals finish work and start browsing. By that point the post has settled on the subreddit's Hot page, and the evening scroll audience reads it and comments.
This has two practical implications. First, if you want comment engagement (not just upvotes), responding to early comments in the 9:30-11 AM ET window keeps the thread active for the evening surge. Second, posts with sustained comment activity get a secondary algorithmic boost, which is why some Tuesday morning posts stay on the Hot page well into Wednesday.
Primary upvote window
7:30-9:30 AM ET (Tue)
Comment engagement spike
4:30-6 PM ET same day
Best time to reply to comments
9:30-11 AM ET to stay active for evening
If we were starting a Reddit marketing effort today using everything in this dataset, here is the schedule we would use for a B2B SaaS posting to subreddits like r/SaaS, r/Entrepreneur, and r/startups.
Monday
8:30 AM ET
Question post or discussion starter
Kicks off the week, high professional traffic
Tuesday
7:30 AM ET
Main promotional or value post
Peak single window, highest velocity potential
Wednesday
9:00 AM ET
Follow-up content or case study
Captures mid-week readers who missed Tuesday
Thursday
9:30 AM ET
Data or insight post
High comment rate, good for longer discussions
Sunday
7:30 PM ET
Long-form educational post (300+ words)
Sunday evening audience reads deeply
This is 5 posts per week, which is on the higher end for most accounts. If you are posting less frequently, prioritize Tuesday 7:30 AM ET above all other slots. That single slot is worth more than any other two slots combined in our dataset.
We built this data analysis because timing is one of the levers people ask us about most. But we want to be straight with you about what it can and cannot do.
Reasons to optimize timing
It costs nothing extra. Scheduling a post for 7:30 AM instead of 10 AM is a 30-second decision.
The 1.8x multiplier is real and consistent. Over many posts, it compounds meaningfully.
Early velocity is a one-way door. You cannot get those first-hour upvotes back after a post buries itself.
Subreddit-specific timing has even higher payoffs. Getting r/SaaS timing right can be a 2x+ difference.
When timing is not the bottleneck
Content quality matters more. A genuinely helpful post published Friday afternoon will still outperform a mediocre post on Tuesday morning.
Subreddit fit matters more than timing. Posting the wrong content to the wrong community at peak time gets you nowhere.
Account credibility matters. A new account with no karma history is more likely to be filtered regardless of timing.
If your posts are getting 0-2 upvotes consistently, the issue is not timing. It is the content or the audience.
Our recommendation: get the content and subreddit right first. Once a post feels ready to publish, then apply timing. Do not use timing optimization as a reason to delay publishing a great post that is ready now.
The simplest use of this data is to just remember Tuesday 7:30 AM ET and build your habit around it. If you are posting consistently, one anchor time is easier to stick to than a full optimization framework.
If you are posting to multiple subreddits and want the per-subreddit windows surfaced automatically, MediaFast shows you the recommended posting window for each subreddit when you compose a post, so you do not have to cross-reference a heatmap by hand.
For international teams, the time zone conversion problem is real. If your whole team is in Berlin and your target sub peaks at 7 AM ET, that is 1 PM CEST, which is actually a convenient lunch post. Knowing this in advance lets you plan your content calendar without late nights.
MediaFast surfaces subreddit-specific peak windows when you schedule a post, so your content goes live exactly when your audience is ready to upvote.
Get traffic to your tool from Reddit
Get recommended by AI tools through Reddit
Common questions about when to post on Reddit and how timing affects your results.
For most B2B subreddits, post in Eastern Time (ET). The East Coast US audience is the dominant voting bloc in communities like r/SaaS, r/Entrepreneur, r/marketing, and r/startups. When we say 7-9 AM ET, that means 4-6 AM PT, so West Coast accounts should schedule posts rather than post manually. For consumer or global subreddits, the time zone matters less, but ET is still the safest default if you are uncertain.
Honestly? Content quality matters more for long-term Reddit success. A great post published at the wrong time will still get discovered. A mediocre post published at the perfect time will still flop. That said, timing is the only lever that costs you nothing extra to pull. If you have a strong post, you might as well publish it at 7:30 AM ET Tuesday instead of Friday afternoon. Timing amplifies quality, it does not replace it. Our data shows a 1.8x engagement multiplier for the best window, which is meaningful but not magic.
Not uniformly. Sunday mornings are weak, but Sunday evenings (7-9 PM ET) are genuinely good, especially for longer text posts. We saw 2.1x baseline engagement for posts above 300 words published in that Sunday evening slot. Our best guess is that Sunday evening Redditors have time to actually read and engage rather than scroll quickly. If you have a thoughtful, detailed post, Sunday 7:30 PM ET is underrated.
The ET-centric advice applies mainly to US-dominated subreddits. For subreddits with strong UK audiences, shift the window 5 hours later (so 12-2 PM ET becomes the equivalent of 5-7 PM GMT, which is UK after-work). For subreddits with EU audiences, split the difference. For subreddits explicitly focused on a non-US region (like r/unitedkingdom or r/AusFinance), we would weight the local morning window over the US morning window. When in doubt, check the subreddit's top posts and note the timestamps.
We noticed the 5 PM ET window gets 1.5x baseline upvotes but lower click-through on links and lower comment quality. Our interpretation is that the after-work browsing mode is passive. People upvote quickly but are less likely to read a full post, follow a link, or leave a thoughtful comment. For pure karma building, 5 PM is fine. For posts where you need the audience to take action (read your case study, click to your tool, engage in a real conversation), the morning windows are significantly better.
Reddit uses an engagement velocity score to rank posts in Hot and Rising. A post that gets 5+ upvotes in the first 30 minutes gets a strong algorithmic boost. After the first 2 hours, the boost decays. This means the first 30 minutes after posting are the most important window, which is exactly why timing matters: if you post when your audience is awake and active, you are far more likely to hit that 5-upvote threshold quickly and get surfaced in Hot before the post gets buried by newer submissions.