"Tue, 14 May 2024 14:37:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240514
Only TIME
14:37:30
General datetime
2024-05-14 14:37:30Z
For Database
2024-05-14 14:37:30
For HTTP1.1
Tue, 14 May 2024 14:37:30 GMT