"Sat, 14 Sep 2024 15:38:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
15:38:02
General datetime
2024-09-14 15:38:02Z
For Database
2024-09-14 15:38:02
For HTTP1.1
Sat, 14 Sep 2024 15:38:02 GMT