"Sat, 21 Sep 2024 06:53:49"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240921
Only TIME
06:53:49
General datetime
2024-09-21 06:53:49Z
For Database
2024-09-21 06:53:49
For HTTP1.1
Sat, 21 Sep 2024 06:53:49 GMT