r/AskScienceFiction peaks Wednesdays 8pm-10pm UTC
r/AskScienceFiction was created on July 01, 2011, making it 14 years and 9 months old and one of the older subreddits on Reddit. With 880,492 members, this is a mid-size community that has built a substantial following and typically sees consistent daily activity.
r/AskScienceFiction is steadily growing, with 2,346 new members in the last 30 days.
r/AskScienceFiction shows typical engagement for a community of this scale, with an average of 47.2 upvotes per post across its 880,492 members. The community is highly discussion-oriented, with a comment-to-upvote ratio of 0.59. To reach the Hot section of r/AskScienceFiction, posts typically need at least 5 upvotes, reflecting the community's activity level.
Posts on r/AskScienceFiction receive an average of 27.7 comments, indicating a highly engaged community where members actively participate in conversations rather than passively consuming content. This level of discussion is characteristic of communities that value dialogue and diverse perspectives.
Based on an analysis of 100 top posts from the past week, Wednesday is the most active day with 19 posts reaching the top, while Saturday sees the least activity with 11 posts. Weekday activity is higher than weekends, suggesting a more professionally-oriented community.
The peak posting hours are around 8pm UTC (9 posts), 2pm UTC (9 posts), and 6am UTC (9 posts). The quietest hours are 3am UTC, 3pm UTC, and 9am UTC, with only 1-1 posts each reaching the top during these times.
Weekly breakdown: Monday (17), Tuesday (16), Wednesday (19), Thursday (15), Friday (11), Saturday (11), Sunday (11) posts reaching the top.
r/AskScienceFiction currently has 880,492 subscribers. Over the past 30 days, the community has grown by 2,346 members (0.27%), averaging 69 new subscribers per day. This growth rate places r/AskScienceFiction in the top 19% of all tracked subreddits.
Over the past 90 days, r/AskScienceFiction has gained 6,106 subscribers (0.7%). Since tracking began 605 days ago, the community has added 21,054 total subscribers.
r/AskScienceFiction is steadily growing, with 2,346 new members in the last 30 days.
r/AskScienceFiction has 880,492 subscribers as of April 2026.
The best time to post on r/AskScienceFiction is Wednesdays 8pm-10pm UTC, based on analysis of top-performing posts from the past week.
r/AskScienceFiction is steadily growing, with 2,346 new members in the last 30 days.
r/AskScienceFiction was created on July 01, 2011, making it 14 years old.
Posts on r/AskScienceFiction typically need at least 5 upvotes to reach the Hot section.
r/AskScienceFiction is a Reddit community with 880,492 subscribers. The community describes itself as: "**It's like Ask Science, but all questions and answers are written with answers gleaned from the universe itself.** Use in-universe knowledge, rules, and common sense to answer the questions. Or..." The best time to post on r/AskScienceFiction is Wednesdays 8pm-10pm UTC. Posts receive an average of 47.2 upvotes and 27.7 comments. The minimum upvotes needed to reach the Hot section is approximately 5. The subreddit is adding approximately 69 new members each day. Founded 14 years ago, r/AskScienceFiction is tracked and analyzed by RedditList as part of its comprehensive database of over 106,349 subreddits.
Last updated: 2026-04-05 08:05:42