CONVERTTIMEZONE Function
From Planfix
The function converts a date and time from one time zone to another. For example, this is useful when you receive a date in UTC and need to know the client's local time.
Format
CONVERTTIMEZONE(Date and time; Source time zone; Target time zone) where:
- time zone names are from the IANA list.
Examples
CONVERTTIMEZONE("2025-06-13 15:00"; "UTC"; "America/New_York")
CONVERTTIMEZONE("2025-06-13 15:00"; "America/New_York"; "America/Los_Angeles")