"Tue, 18 Feb 2025 21:11:53"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250218
Only TIME
21:11:53
General datetime
2025-02-18 21:11:53Z
For Database
2025-02-18 21:11:53
For HTTP1.1
Tue, 18 Feb 2025 21:11:53 GMT