"Sun, 13 Oct 2024 15:18:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241013
Only TIME
15:18:03
General datetime
2024-10-13 15:18:03Z
For Database
2024-10-13 15:18:03
For HTTP1.1
Sun, 13 Oct 2024 15:18:03 GMT