"Sat, 14 Sep 2024 23:49:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
23:49:38
General datetime
2024-09-14 23:49:38Z
For Database
2024-09-14 23:49:38
For HTTP1.1
Sat, 14 Sep 2024 23:49:38 GMT