"Sun, 13 Oct 2024 20:42:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241013
Only TIME
20:42:21
General datetime
2024-10-13 20:42:21Z
For Database
2024-10-13 20:42:21
For HTTP1.1
Sun, 13 Oct 2024 20:42:21 GMT