"Wed, 18 Sep 2024 17:12:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
17:12:34
General datetime
2024-09-18 17:12:34Z
For Database
2024-09-18 17:12:34
For HTTP1.1
Wed, 18 Sep 2024 17:12:34 GMT