"Sun, 29 Sep 2024 21:47:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240929
Only TIME
21:47:39
General datetime
2024-09-29 21:47:39Z
For Database
2024-09-29 21:47:39
For HTTP1.1
Sun, 29 Sep 2024 21:47:39 GMT