UTC+03:00 is an identifier for a time offset from UTC of +03:00. In areas using this time offset, the time is three hours ahead of the Coordinated Universal
GMT+03:30 is an identifier for a time offset from UTC of +03:30. In ISO 8601 the associated time would be written as 2024-08-29T20:14:28+03:30. This time
UTC+00:00 is an identifier for a time offset from UTC of +00:00. This time zone is the basis of Coordinated Universal Time (UTC) and all other time zones