# Dates & time # Formats For specific points in time (often referred to as DateTimes), string that are compliant with RFC-3339 can be used. Note that there are some restrictions that apply: - Only the T separator is supported (not a lowercased t or a whitespace or any other character) - The `unknown offset` -00:00 is not supported - For dates (without a specific time indication), the same format as the date section of RFC-3339 can be used, e.g. 2022-08-17. - For times (without a specific date indication), the military time format (HH:mm) can be used, e.g. 19:05. # Time zone Wyzio REST API are based on CET Time Zone.