"Sun, 29 Sep 2024 18:48:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240929
Only TIME
18:48:20
General datetime
2024-09-29 18:48:20Z
For Database
2024-09-29 18:48:20
For HTTP1.1
Sun, 29 Sep 2024 18:48:20 GMT