"Wed, 18 Sep 2024 17:20:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
17:20:18
General datetime
2024-09-18 17:20:18Z
For Database
2024-09-18 17:20:18
For HTTP1.1
Wed, 18 Sep 2024 17:20:18 GMT