"Sun, 29 Sep 2024 20:40:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240929
Only TIME
20:40:40
General datetime
2024-09-29 20:40:40Z
For Database
2024-09-29 20:40:40
For HTTP1.1
Sun, 29 Sep 2024 20:40:40 GMT