"Sat, 20 Jul 2024 20:21:24"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
20:21:24
General datetime
2024-07-20 20:21:24Z
For Database
2024-07-20 20:21:24
For HTTP1.1
Sat, 20 Jul 2024 20:21:24 GMT