"Sat, 14 Sep 2024 14:39:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
14:39:39
General datetime
2024-09-14 14:39:39Z
For Database
2024-09-14 14:39:39
For HTTP1.1
Sat, 14 Sep 2024 14:39:39 GMT