"Wed, 18 Sep 2024 16:38:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
16:38:56
General datetime
2024-09-18 16:38:56Z
For Database
2024-09-18 16:38:56
For HTTP1.1
Wed, 18 Sep 2024 16:38:56 GMT