"Wed, 18 Sep 2024 17:02:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
17:02:21
General datetime
2024-09-18 17:02:21Z
For Database
2024-09-18 17:02:21
For HTTP1.1
Wed, 18 Sep 2024 17:02:21 GMT