"Sat, 06 Apr 2024 16:08:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240406
Only TIME
16:08:16
General datetime
2024-04-06 16:08:16Z
For Database
2024-04-06 16:08:16
For HTTP1.1
Sat, 06 Apr 2024 16:08:16 GMT