"Sat, 14 Sep 2024 03:15:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
03:15:47
General datetime
2024-09-14 03:15:47Z
For Database
2024-09-14 03:15:47
For HTTP1.1
Sat, 14 Sep 2024 03:15:47 GMT