"Sun, 13 Oct 2024 21:40:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241013
Only TIME
21:40:19
General datetime
2024-10-13 21:40:19Z
For Database
2024-10-13 21:40:19
For HTTP1.1
Sun, 13 Oct 2024 21:40:19 GMT