"Sat, 21 Sep 2024 17:36:25"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240921
Only TIME
17:36:25
General datetime
2024-09-21 17:36:25Z
For Database
2024-09-21 17:36:25
For HTTP1.1
Sat, 21 Sep 2024 17:36:25 GMT