"Wed, 18 Sep 2024 21:37:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
21:37:45
General datetime
2024-09-18 21:37:45Z
For Database
2024-09-18 21:37:45
For HTTP1.1
Wed, 18 Sep 2024 21:37:45 GMT