"Sun, 15 Sep 2024 14:39:53"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240915
Only TIME
14:39:53
General datetime
2024-09-15 14:39:53Z
For Database
2024-09-15 14:39:53
For HTTP1.1
Sun, 15 Sep 2024 14:39:53 GMT