"Wed, 18 Sep 2024 15:39:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
15:39:45
General datetime
2024-09-18 15:39:45Z
For Database
2024-09-18 15:39:45
For HTTP1.1
Wed, 18 Sep 2024 15:39:45 GMT