"Sat, 21 Sep 2024 11:38:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240921
Only TIME
11:38:00
General datetime
2024-09-21 11:38:00Z
For Database
2024-09-21 11:38:00
For HTTP1.1
Sat, 21 Sep 2024 11:38:00 GMT