Time(zone)s relative to UTC
Current UTC date and time: Sat Dec 9 02:51:20 UTC 2023
Daylight Saving Time:
ADT (Atlantic Daylight Time): subtract 3 hours from UTC --> 23:51
EDT (Eastern Daylight Time): subtract 4 hours from UTC --> 22:51
CDT (Central Daylight Time): subtract 5 hours from UTC --> 21:51
MDT (Mountain Daylight Time): subtract 6 hours from UTC --> 20:51
PDT (Pacific Daylight Time): subtract 7 hours from UTC --> 19:51
Standard Time:
AST (Atlantic Standard Time): subtract 4 hours from UTC --> 22:51
EST (Eastern Standard Time): subtract 5 hours from UTC --> 21:51
CST (Central Standard Time): subtract 6 hours from UTC --> 20:51
MST (Mountain Standard Time): subtract 7 hours from UTC --> 19:51
PST (Pacific Standard Time): subtract 8 hours from UTC --> 18:51
Most Caribbean Islands observe AST (no daylight saving
time), for a list see: sizes.com.
UTC = Coordinated Universal Time; same as Greenwich
Mean Time (GMT), Zulu Time (Z).