"Sat, 14 Sep 2024 21:38:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
21:38:47
General datetime
2024-09-14 21:38:47Z
For Database
2024-09-14 21:38:47
For HTTP1.1
Sat, 14 Sep 2024 21:38:47 GMT