"Tue, 21 Jan 2025 09:21:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250121
Only TIME
09:21:02
General datetime
2025-01-21 09:21:02Z
For Database
2025-01-21 09:21:02
For HTTP1.1
Tue, 21 Jan 2025 09:21:02 GMT