date

Format

$ date '+%Y-%m-%d %H:%M:%S.%N'
2019-12-04 14:27:59.372201900

Some OS like alpine does not support milliseconds

• Reference: https://stackoverflow.com/questions/1401482/yyyy-mm-dd-format-date-in-shell-script/47216077

Timezone

$ TZ=Asia/Taipei date '+%Y-%m-%d %H:%M:%S'
2019-12-04 14:27:59

• Reference: https://unix.stackexchange.com/questions/48101/how-can-i-have-date-output-the-time-from-a-different-timezone
• Timezone List: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones (check TZ database name column)

If TZ not works, install tzdata