"Sun, 15 Sep 2024 10:19:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240915
Only TIME
10:19:10
General datetime
2024-09-15 10:19:10Z
For Database
2024-09-15 10:19:10
For HTTP1.1
Sun, 15 Sep 2024 10:19:10 GMT