Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Error in JS work

  • 2 tontu
  • 1 am na jafe-jafe bii
  • 15 views
  • i mujjee tontu mooy sanickson

more options

Windows 7. Time zone is UTC+10:00 RTZ 9. Command: new Date(2014, 0, 1) Result: Date {Tue Dec 31 2013 23:00:00 GMT+1000}.

Windows 7. Time zone is UTC+10:00 RTZ 9. Command: new Date(2014, 0, 1) Result: Date {Tue Dec 31 2013 23:00:00 GMT+1000}.

All Replies (2)

more options

Exactly one hour. Hmm, could it be a Daylight Savings / Summer Time issue?

more options

Maybe. I think that problem became relevant after windows update time zone. FireFox 33.1 installed On my friend's computer and on my computer too. But his time zone is UTC+10:00. His didn't installed windows time zone update and his result of command "new Date(2014, 0, 1) " is "Date {Wed Jan 01 2014 00:00:00 GMT+1000}"