Time standard and format

Time standard

• UT： World time （Universal Time）, It refers to the standard time in Greenwich
• GMT： Greenwich mean time （Greenwich Mean Time）, It generally refers to universal time
• UTC： Coordinated universal time （Universal Time Coordinated）
• CST： China national standard time （China Standard Time）, Beijing time ,UTC East eight time

Time format

RFC3339

• 2021-12-03T08:58:13Z （UTC 0 Time zone time ）
• 2021-12-03T16:58:13+08:00 （UTC In the east 8 District time ）