"Sun, 20 Oct 2024 14:57:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241020
Only TIME
14:57:21
General datetime
2024-10-20 14:57:21Z
For Database
2024-10-20 14:57:21
For HTTP1.1
Sun, 20 Oct 2024 14:57:21 GMT