"Sat, 29 Jun 2024 08:55:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
08:55:14
General datetime
2024-06-29 08:55:14Z
For Database
2024-06-29 08:55:14
For HTTP1.1
Sat, 29 Jun 2024 08:55:14 GMT