"Sat, 04 May 2024 13:01:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240504
Only TIME
13:01:23
General datetime
2024-05-04 13:01:23Z
For Database
2024-05-04 13:01:23
For HTTP1.1
Sat, 04 May 2024 13:01:23 GMT