"Tue, 14 May 2024 21:03:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240514
Only TIME
21:03:48
General datetime
2024-05-14 21:03:48Z
For Database
2024-05-14 21:03:48
For HTTP1.1
Tue, 14 May 2024 21:03:48 GMT