Mozilla VPN is currently experiencing an outage. Our team is actively working to resolve the issue. Please check the status page for real-time updates. Thank you for your patience.

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

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

How can I change date and time locale?

  • 2 replies
  • 1 has this problem
  • 1 view
  • Last reply by cor-el

more options

toLocaleDateString and toLocaleTimeString return date in "%m/%d/%Y" and "%I:%M:%S %p" formats, while I want them to use "%Y-%m-%d" and "%H:%M:%S" formats. What settings/environment variables should I change?

OS: Mint 19 tara Kernel: x86_64 Linux 4.15.0-20-generic Mozilla Firefox 63.0.3

`/usr/bin/locale' outputs: LANG=en_US.UTF-8 LANGUAGE=en_US:en LC_CTYPE="en_US.UTF-8" LC_NUMERIC=ru_RU.UTF-8 LC_TIME=C LC_COLLATE="en_US.UTF-8" LC_MONETARY=ru_RU.UTF-8 LC_MESSAGES="en_US.UTF-8" LC_PAPER=ru_RU.UTF-8 LC_NAME=ru_RU.UTF-8 LC_ADDRESS=ru_RU.UTF-8 LC_TELEPHONE=ru_RU.UTF-8 LC_MEASUREMENT=ru_RU.UTF-8 LC_IDENTIFICATION=ru_RU.UTF-8 LC_ALL=

toLocaleDateString and toLocaleTimeString return date in "%m/%d/%Y" and "%I:%M:%S %p" formats, while I want them to use "%Y-%m-%d" and "%H:%M:%S" formats. What settings/environment variables should I change? OS: Mint 19 tara Kernel: x86_64 Linux 4.15.0-20-generic Mozilla Firefox 63.0.3 `/usr/bin/locale' outputs: LANG=en_US.UTF-8 LANGUAGE=en_US:en LC_CTYPE="en_US.UTF-8" LC_NUMERIC=ru_RU.UTF-8 LC_TIME=C LC_COLLATE="en_US.UTF-8" LC_MONETARY=ru_RU.UTF-8 LC_MESSAGES="en_US.UTF-8" LC_PAPER=ru_RU.UTF-8 LC_NAME=ru_RU.UTF-8 LC_ADDRESS=ru_RU.UTF-8 LC_TELEPHONE=ru_RU.UTF-8 LC_MEASUREMENT=ru_RU.UTF-8 LC_IDENTIFICATION=ru_RU.UTF-8 LC_ALL=

All Replies (2)

more options

I think the time and date is base on you O/S.

more options