"Wed, 18 Sep 2024 15:27:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
15:27:18
General datetime
2024-09-18 15:27:18Z
For Database
2024-09-18 15:27:18
For HTTP1.1
Wed, 18 Sep 2024 15:27:18 GMT