How to Fix Time Differences in Ubuntu 16.04 & Windows 10 Dual Boot

March 27, 2019 - ubuntu

To fix it, either set Ubuntu to maintain RTC in local time or make Windows uses UTC.

1. Disable UTC and use Local Time in Ubuntu:

In previous Ubuntu editions, you can edit the config file /etc/default/rcS to disable UTC.

In Ubuntu 16.04, open terminal (Ctrl+Alt+T) and run the command below instead:

timedatectl set-local-rtc 1 --adjust-system-clock

To check out if your system uses Local time, just run:


you’ll the local time zone is in use in the Warning section.

RTC Local Time

Finally restart and switch to Windows, adjust system clock time if need and done.

2. Make MicroSoft Windows uses UTC:

Another way to fix this issue is doing the following changes in Windows, Windows 10, in the case below:

1.) First if you’ve switched to local time in Ubuntu, run command in Ubuntu terminal to use back UTC:

timedatectl set-local-rtc 0

2.) Restart and select boot into Windows 10, when you’re in, do:

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