"Sun, 20 Oct 2024 18:38:50"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241020
Only TIME
18:38:50
General datetime
2024-10-20 18:38:50Z
For Database
2024-10-20 18:38:50
For HTTP1.1
Sun, 20 Oct 2024 18:38:50 GMT