"Sat, 29 Jun 2024 08:18:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
08:18:54
General datetime
2024-06-29 08:18:54Z
For Database
2024-06-29 08:18:54
For HTTP1.1
Sat, 29 Jun 2024 08:18:54 GMT