"Tue, 14 May 2024 18:23:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240514
Only TIME
18:23:56
General datetime
2024-05-14 18:23:56Z
For Database
2024-05-14 18:23:56
For HTTP1.1
Tue, 14 May 2024 18:23:56 GMT