"Sun, 15 Sep 2024 13:27:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240915
Only TIME
13:27:30
General datetime
2024-09-15 13:27:30Z
For Database
2024-09-15 13:27:30
For HTTP1.1
Sun, 15 Sep 2024 13:27:30 GMT