"Sun, 20 Oct 2024 15:18:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241020
Only TIME
15:18:36
General datetime
2024-10-20 15:18:36Z
For Database
2024-10-20 15:18:36
For HTTP1.1
Sun, 20 Oct 2024 15:18:36 GMT