"Sat, 21 Sep 2024 01:54:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240921
Only TIME
01:54:39
General datetime
2024-09-21 01:54:39Z
For Database
2024-09-21 01:54:39
For HTTP1.1
Sat, 21 Sep 2024 01:54:39 GMT