"Sun, 20 Oct 2024 02:18:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241020
Only TIME
02:18:13
General datetime
2024-10-20 02:18:13Z
For Database
2024-10-20 02:18:13
For HTTP1.1
Sun, 20 Oct 2024 02:18:13 GMT