"Sun, 20 Oct 2024 16:44:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241020
Only TIME
16:44:10
General datetime
2024-10-20 16:44:10Z
For Database
2024-10-20 16:44:10
For HTTP1.1
Sun, 20 Oct 2024 16:44:10 GMT