"Wed, 18 Sep 2024 03:27:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
03:27:21
General datetime
2024-09-18 03:27:21Z
For Database
2024-09-18 03:27:21
For HTTP1.1
Wed, 18 Sep 2024 03:27:21 GMT