"Sat, 06 Apr 2024 08:54:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240406
Only TIME
08:54:20
General datetime
2024-04-06 08:54:20Z
For Database
2024-04-06 08:54:20
For HTTP1.1
Sat, 06 Apr 2024 08:54:20 GMT