"Sun, 20 Oct 2024 14:38:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241020
Only TIME
14:38:12
General datetime
2024-10-20 14:38:12Z
For Database
2024-10-20 14:38:12
For HTTP1.1
Sun, 20 Oct 2024 14:38:12 GMT