"Wed, 18 Sep 2024 19:15:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
19:15:10
General datetime
2024-09-18 19:15:10Z
For Database
2024-09-18 19:15:10
For HTTP1.1
Wed, 18 Sep 2024 19:15:10 GMT