"Tue, 20 Feb 2024 11:20:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240220
Only TIME
11:20:01
General datetime
2024-02-20 11:20:01Z
For Database
2024-02-20 11:20:01
For HTTP1.1
Tue, 20 Feb 2024 11:20:01 GMT