"Sat, 29 Jun 2024 17:54:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
17:54:14
General datetime
2024-06-29 17:54:14Z
For Database
2024-06-29 17:54:14
For HTTP1.1
Sat, 29 Jun 2024 17:54:14 GMT