"Sat, 14 Sep 2024 15:54:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
15:54:48
General datetime
2024-09-14 15:54:48Z
For Database
2024-09-14 15:54:48
For HTTP1.1
Sat, 14 Sep 2024 15:54:48 GMT