"Sat, 04 May 2024 08:37:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240504
Only TIME
08:37:04
General datetime
2024-05-04 08:37:04Z
For Database
2024-05-04 08:37:04
For HTTP1.1
Sat, 04 May 2024 08:37:04 GMT