"Sun, 13 Oct 2024 14:40:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241013
Only TIME
14:40:34
General datetime
2024-10-13 14:40:34Z
For Database
2024-10-13 14:40:34
For HTTP1.1
Sun, 13 Oct 2024 14:40:34 GMT