"Mon, 13 Jan 2025 13:34:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250113
Only TIME
13:34:31
General datetime
2025-01-13 13:34:31Z
For Database
2025-01-13 13:34:31
For HTTP1.1
Mon, 13 Jan 2025 13:34:31 GMT