"Sat, 14 Sep 2024 15:55:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
15:55:56
General datetime
2024-09-14 15:55:56Z
For Database
2024-09-14 15:55:56
For HTTP1.1
Sat, 14 Sep 2024 15:55:56 GMT