"Sun, 29 Sep 2024 15:39:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240929
Only TIME
15:39:11
General datetime
2024-09-29 15:39:11Z
For Database
2024-09-29 15:39:11
For HTTP1.1
Sun, 29 Sep 2024 15:39:11 GMT