"Sun, 20 Oct 2024 20:35:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241020
Only TIME
20:35:48
General datetime
2024-10-20 20:35:48Z
For Database
2024-10-20 20:35:48
For HTTP1.1
Sun, 20 Oct 2024 20:35:48 GMT