"Wed, 18 Sep 2024 14:18:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
14:18:45
General datetime
2024-09-18 14:18:45Z
For Database
2024-09-18 14:18:45
For HTTP1.1
Wed, 18 Sep 2024 14:18:45 GMT