"Wed, 18 Sep 2024 04:15:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
04:15:15
General datetime
2024-09-18 04:15:15Z
For Database
2024-09-18 04:15:15
For HTTP1.1
Wed, 18 Sep 2024 04:15:15 GMT