"Tue, 21 May 2024 17:02:24"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240521
Only TIME
17:02:24
General datetime
2024-05-21 17:02:24Z
For Database
2024-05-21 17:02:24
For HTTP1.1
Tue, 21 May 2024 17:02:24 GMT