"Sat, 13 Jul 2024 08:23:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240713
Only TIME
08:23:39
General datetime
2024-07-13 08:23:39Z
For Database
2024-07-13 08:23:39
For HTTP1.1
Sat, 13 Jul 2024 08:23:39 GMT