"Tue, 20 Feb 2024 06:23:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240220
Only TIME
06:23:44
General datetime
2024-02-20 06:23:44Z
For Database
2024-02-20 06:23:44
For HTTP1.1
Tue, 20 Feb 2024 06:23:44 GMT