"Sun, 27 Oct 2024 15:15:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241027
Only TIME
15:15:39
General datetime
2024-10-27 15:15:39Z
For Database
2024-10-27 15:15:39
For HTTP1.1
Sun, 27 Oct 2024 15:15:39 GMT