"Tue, 21 May 2024 22:20:43"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240521
Only TIME
22:20:43
General datetime
2024-05-21 22:20:43Z
For Database
2024-05-21 22:20:43
For HTTP1.1
Tue, 21 May 2024 22:20:43 GMT