The best time to post Shorts, Reels and TikTok

Why the studies disagree

Buffer and Sprout Social both publish big posting-time studies, and both use local time, so a 9 a.m. recommendation means 9 a.m. wherever the account is. Even so, their TikTok answers differ: Buffer's analysis found the strongest views in the evening, from 6 p.m. to 11 p.m., with Saturday the best day, while Sprout's found Tuesday to Friday, 2 to 6 p.m. the strongest window.

The difference comes from what they measured. Sprout's 2026 data covers nearly 2 billion engagements across about 307,000 profiles from late November 2025 to late February 2026. Buffer's comes from its State of Social Engagement 2026 report: 52 million posts sent through Buffer by more than 200,000 accounts between January 2024 and December 2025. Different accounts, industries and months produce different peaks.

Both companies say the same thing in the end: use their numbers as a starting point, not a rule. The feeds on all three apps can keep showing a good video for days, so a slightly wrong hour costs far less than a weak hook.

Starting times from the studies

If you have no data of your own yet, these are reasonable defaults. All times are local to your audience:

• YouTube Shorts (Buffer): Friday at 4 p.m. was the single best slot, with Friday 6 and 7 p.m. close behind. Weekday evenings, 6 to 11 p.m., did well; afternoons were weakest. Friday, Saturday and Thursday were the strongest days.
• Instagram (Buffer): Thursday at 9 a.m. had the highest reach in nearly 10 million posts, and engagement often peaked around 6 p.m. on most days. Wednesday and Thursday were the strongest days.
• Instagram (Sprout Social): Tuesday 1 to 7 p.m. and Wednesday 12 to 9 p.m.
• TikTok (Buffer): Sunday 9 a.m. was the single best slot, with evenings from 6 to 11 p.m. strongest in general. Saturday was the best day and Wednesday the weakest.
• TikTok (Sprout Social): Tuesday to Friday, 2 to 6 p.m.

How to find your own best time

Each app shows when your followers or viewers are active. These reports need some history, so give a new account a few weeks of regular posting first.

• YouTube: in YouTube Studio, open Analytics, go to the Audience tab and find the "When your viewers are on YouTube" report. YouTube describes it as your audience's activity across your channel and all of YouTube, and suggests using it to decide what time and day to upload.
• Instagram: on a professional (creator or business) account, open the professional dashboard, go to your follower insights and scroll to Most active times, which shows the days and hours your followers are on Instagram.
• TikTok: switch on a creator or business account's analytics and check the follower or viewer activity data, which shows the hours your audience is most active.
• For every platform, compare against where your viewers live. If most of your audience is in another country, their evening is what counts, not yours.

Run a simple two-week test

Once you have a starting time and your own active-hours data, test instead of guessing. Pick two time slots, for example the study's recommendation and the peak from your analytics. Alternate between them for two weeks, keeping everything else as similar as you can.

Then compare the views each video had after the first 24 hours and after 7 days. The 24-hour number tells you how well the timing caught the first wave; the 7-day number tells you whether it mattered in the end. Often it won't matter much, and that is useful to know too, because it frees you to post whenever suits your schedule.

Keep in mind that the video itself swings results far more than timing. If two posts at the same hour differ by ten times in views, the difference is the hook and topic, not the clock.

Timing for seasonal and time-sensitive posts

General best times assume an ordinary week. Some videos don't follow them. A video about a holiday, an event or a trending topic should go up before interest peaks, not at your usual slot, because search and feed demand for it can fade within days.

For moments like Ramadan, Eid, Diwali or the new year, post the first videos a few days to a week ahead, when people start searching for ideas, and keep one or two for the day itself. For news-driven topics, speed matters more than the hour.

Weekends and holidays also shift everyone's routine. If your analytics show a different pattern on a long weekend, trust it over any study, and note it so you can plan for the same weekend next year.

How often to post

Consistency beats a perfect hour. A realistic schedule you can keep, such as three to five Shorts a week plus cross-posting the same videos to Reels and TikTok, will teach you more than daily posting that burns out after a month.

Quality still comes first. YouTube's monetization policies don't reward mass-produced, repetitive videos, so a higher posting frequency only helps if each video is its own idea with a script you've edited.

If you post more than once a day, space the videos a few hours apart rather than back to back, so each one gets its own chance with your audience. Keep a simple log of post time, first-day views and seven-day views; after a month it will tell you more than any study.

Scheduling so you don't have to be online

The easiest way to hit a good time slot is to not be there for it. Every major platform has some native scheduling, and third-party schedulers can post one video to several apps at once. TallyReel Post, included with TallyReel, schedules to TikTok, YouTube, Instagram, Facebook, Pinterest and other networks from the server, so posts go out at the time you picked even with your laptop closed.

Sources

• Buffer: Best time to post on social media in 2026
• Buffer: Best time to post on Instagram, data from 9.6M posts
• Sprout Social: Best times to post on social media
• Sprout Social: Best times to post on TikTok
• YouTube Help: Tips to learn what viewers are watching
• YouTube Help: YouTube channel monetization policies