"Sat, 04 May 2024 11:21:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240504
Only TIME
11:21:13
General datetime
2024-05-04 11:21:13Z
For Database
2024-05-04 11:21:13
For HTTP1.1
Sat, 04 May 2024 11:21:13 GMT