"Sun, 15 Sep 2024 15:10:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240915
Only TIME
15:10:44
General datetime
2024-09-15 15:10:44Z
For Database
2024-09-15 15:10:44
For HTTP1.1
Sun, 15 Sep 2024 15:10:44 GMT