"Mon, 16 Sep 2024 20:40:29"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240916
Only TIME
20:40:29
General datetime
2024-09-16 20:40:29Z
For Database
2024-09-16 20:40:29
For HTTP1.1
Mon, 16 Sep 2024 20:40:29 GMT