"Sat, 04 May 2024 10:51:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240504
Only TIME
10:51:31
General datetime
2024-05-04 10:51:31Z
For Database
2024-05-04 10:51:31
For HTTP1.1
Sat, 04 May 2024 10:51:31 GMT