Format guide

ISO 8601 format explained

ISO 8601 is a standard date-time format such as 2026-06-27T10:00:00Z.

The date comes first, then the time, then a time zone marker. The Z suffix means UTC. An offset such as +05:30 means the local time is five hours and thirty minutes ahead of UTC.

2026-06-27 is a calendar date.
2026-06-27T10:00:00Z is a UTC instant.
2026-06-27T15:30:00+05:30 is the same kind of instant with an explicit offset.