The best time to post on Facebook is 1–4 p.m. late into the week and on weekends.
- Saturday and Sunday at 12–1 p.m.
- Thursday and Friday at 1–4 p.m.
- Wednesday at 3 p.m.
When to post on Facebook in general to increase your shares and clickthroughs:
- 1 p.m.
- 3 p.m.
- 9 a.m.
Instagram audiences are engaged throughout the week. Mondays should maybe get a little more attention.
- Monday and Thursday at any time other than 3–4 p.m.
- Videos any day at 9 p.m.–8 a.m.
- Experiment with 2 a.m., 5 p.m., and Wednesday at 7 p.m.
Here are the general best times to post on Instagram:
- 8–9 a.m.
- 2 a.m.
- 5 p.m.
The optimal times to tweet are 12–3 p.m., with a peak best time at 5 p.m. During the workweek is the best, though some niches might have more active audiences on the weekend.
- Wednesday at noon and 5–6 p.m.
- Monday–Friday at 12–3 p.m. and 5 p.m.
- Experiment with 2–3 a.m., 6–7 a.m., and 9–10 p.m.
When to tweet in general to increase retweets and clickthroughs:
- 5–6 p.m.
- Noon specifically
- 3 p.m.
Saturdays are your best bet for reaching Pinterest users—and later at night.
- Saturdays at 8–11 p.m.
- Fridays at 3 p.m.
General awesome times to Pin to Pinterest:
- 8–11 p.m. with 9 p.m. peak
- 2–4 a.m. and 2–4 p.m.
- 1–3 p.m.
Midweek posting is optimal from 5–6 p.m.
- Tuesday at 10–11 a.m.
- Tuesday, Wednesday, and Thursday at 7:30–8:30 a.m., 12 p.m., and 5–6 p.m.
When to post on LinkedIn to get the most clickthroughs:
- 5–6 p.m.
- 7–8 a.m.
- 12 p.m.
Google+
The beginning of the workday morning is optimal for Google+.
- Wednesday at 9 a.m.
- Weekdays at 9–11 a.m.
When to post on Google+ in general:
- 9 a.m.
- 11 a.m.
- 12–1 p.m.
Source: https://coschedule.com/blog/best-times-to-post-on-social-media/
