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What limits are there on how I can vote?

How often can I vote? How do my votes become locked/unlocked?

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migrated from stackoverflow.com Jul 14 '09 at 14:37

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See also meta.stackexchange.com/questions/18360/… –  Jarrod Dixon Jun 14 '11 at 15:35
    
If 30 times votes on answers only you won't get 10 additional votes. –  Somnath Muluk Apr 8 '12 at 14:34

1 Answer 1

up vote 98 down vote accepted

Limits on casting votes

The SE network defines a "day" by the UTC/GMT clock. New days start at 00:00:00 UTC/GMT. (The current UTC time is always available to logged-in users.)

  • Post votes (votes on questions and answers)

    • Thirty post votes per day per user (includes upvotes and downvotes)

    • Up to ten additional question-only votes per day per user. These may be cast at any time during the day, but the exact number you get depends on your voting behavior for the day.

    • Upvotes can be cast by users with 15 or more reputation

    • Downvotes can be cast by users with 125 or more reputation

  • Close/reopen votes

    • Fifty close/reopen votes per day per user on Stack Overflow

    • Twenty-four close/reopen votes per day per user on all other sites (source)

    • Close and reopen votes can be cast by users with 3,000 or more reputation

    • When you have five or fewer votes remaining for the day, a popup will inform you how many votes you have remaining after each vote you cast

    • If you reach the limit and try to vote again, a popup will indicate the number of hours you need to wait before voting again

  • Delete votes

    • Five delete votes per day per user

    • One additional delete vote per 1,000 reputation beyond 10k, to a maximum of 30 delete votes

    • Delete votes can be cast by users with 10k or more reputation

    • Users with at least 10k rep but less than 20k rep must wait until a question has been closed for two days before voting to delete

    • Users with at least 20k rep may vote to delete closed questions at any time, and may vote to delete negatively scored answers

Limits on changing votes

  • In general, once you have voted, you cannot change your vote. There are two exceptions.

    • Exception one: you may change your vote an unlimited number of times within a five minutes window from the first vote you cast on that post.

    • Exception two: you may change your vote after every time the post is edited. A new window starts with the first vote you cast after each edit.

  • To simply undo a vote — i.e. make it as if you had never voted in the first place — click the "lit up" vote button. The result will be that neither an upvote nor a downvote is active, and you can come back to vote any time you like. Only cast votes are locked in.

  • To reverse a vote — i.e. change an upvote to a downvote or vice versa — click the "unlit" vote button, as you usually would. There is no need to perform an undo first.

  • Close votes can be retracted on any question which hasn't already been closed or your vote hasn't aged away, but you do not regain the vote to cast again and cannot re-cast a nother close vote on the same question.

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Thank you Sam. I just deleted my answer. I wanted to be sure you was ok with the suggested new informations I posted before directly put them in your post. –  VonC Oct 23 '08 at 9:03
    
I wasn't my post, check the history. I just pasted in the more complete answer from the unofficial FAQ –  Sam Hasler Oct 23 '08 at 14:03
3  
Why does it reset at 0:00 UTC GMT? I realize the web is global, but maybe it would make more sense to have a 30 vote limit in 24 hours. –  Jim McKeeth Jan 6 '09 at 1:40
    
You do get 30 votes in 24 hours. 0:00.00 to 23:59.59 –  jjnguy Jan 6 '09 at 2:07
    
I assume Jim means 24 hours from the first vote –  Bedwyr Humphreys Feb 27 '09 at 19:29
2  
That would make sense. However it is probably much easier for them to just use a continuous clock. –  jjnguy Feb 27 '09 at 19:34
    
Is that USNO clock right? It's showing 16:54:46 right now. It's currently 8:55pm Wednesday (GMT) according to Google. That USNO site is kind of ghetto ("Clock Requires Netscape") –  Andy White Mar 11 '09 at 20:55
    
USNO is the United States Naval Observatory. The site might be retro, but the clock isn't; it's used to run all USN subs and ships, as well as lots of other US military and non-military stuff. <g> I just checked, and selecting my time zone is exactly in synch with everything else here. –  Ken White Mar 11 '09 at 22:10
    
Sorry, retro would be a better word than "ghetto." I know the actual clock is tried and true, but I think the web-site clock is messed up: tycho.usno.navy.mil/cgi-bin/… Am I just seeing things? That doesn't look like UTC time to me... maybe it's my browser? –  Andy White Mar 11 '09 at 22:26
    
@arj - Great! I hope that added explanation will demystify the vote limit confusions that have popped up recently... –  Lix Apr 9 '12 at 12:04
    
Now that flag weight is gone, can someone update this with the new flagging effects? –  Monica Cellio Aug 21 '12 at 21:15
1  
Well, I definitely had more than 12 close/open votes today - was wondering the logic for determining this? Info here appears obsolete. –  djechlin Oct 17 '12 at 20:20
    
@djechlin updated. –  Pops Oct 17 '12 at 20:47

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