Coordinated Universal Time is a shared time reference used in many technical systems. A schedule, log or message can store a time in UTC and display it in the viewer's local zone. The local offset can depend on location and date, while UTC itself does not follow a country's daylight-saving clock changes.
A practical example
A support log marked 18:30 UTC can be compared with a user's local incident time once the local zone and date are known. Recording both avoids confusion when a support team and viewer are based in different regions.
A common misunderstanding
A UTC offset is not always a permanent description of a location. Some local zones change seasonally, so include the date and named zone when precise timing matters.
Related terms
Stable technical definition. Editorial approach