"Sat, 14 Sep 2024 03:49:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
03:49:48
General datetime
2024-09-14 03:49:48Z
For Database
2024-09-14 03:49:48
For HTTP1.1
Sat, 14 Sep 2024 03:49:48 GMT