"Tue, 21 May 2024 01:21:32"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240521
Only TIME
01:21:32
General datetime
2024-05-21 01:21:32Z
For Database
2024-05-21 01:21:32
For HTTP1.1
Tue, 21 May 2024 01:21:32 GMT