Timezone abbreviation
Coordinated Universal Time is commonly shown as UTC and has an offset of UTC+00:00. UTC is the primary global time standard used for technical systems, aviation, and international coordination.
When to use it
Use UTC for logs, APIs, database timestamps, launches, incident reports, and any schedule that needs one stable global reference.
Daylight saving
UTC never observes daylight saving time.
Avoid abbreviation mistakes
Timezone abbreviations are compact, but they are not always unique and they do not always describe daylight saving behavior. For exact meetings, choose a city and date in the converter. That lets the timezone database apply the correct local rules instead of relying on a fixed abbreviation.