"Sun, 29 Sep 2024 15:37:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240929
Only TIME
15:37:39
General datetime
2024-09-29 15:37:39Z
For Database
2024-09-29 15:37:39
For HTTP1.1
Sun, 29 Sep 2024 15:37:39 GMT