"Sun, 13 Oct 2024 18:17:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241013
Only TIME
18:17:21
General datetime
2024-10-13 18:17:21Z
For Database
2024-10-13 18:17:21
For HTTP1.1
Sun, 13 Oct 2024 18:17:21 GMT