"Tue, 21 May 2024 04:00:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240521
Only TIME
04:00:57
General datetime
2024-05-21 04:00:57Z
For Database
2024-05-21 04:00:57
For HTTP1.1
Tue, 21 May 2024 04:00:57 GMT