"Sun, 20 Oct 2024 19:37:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241020
Only TIME
19:37:45
General datetime
2024-10-20 19:37:45Z
For Database
2024-10-20 19:37:45
For HTTP1.1
Sun, 20 Oct 2024 19:37:45 GMT