"Wed, 18 Sep 2024 20:54:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
20:54:20
General datetime
2024-09-18 20:54:20Z
For Database
2024-09-18 20:54:20
For HTTP1.1
Wed, 18 Sep 2024 20:54:20 GMT