"Sun, 13 Oct 2024 15:18:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241013
Only TIME
15:18:09
General datetime
2024-10-13 15:18:09Z
For Database
2024-10-13 15:18:09
For HTTP1.1
Sun, 13 Oct 2024 15:18:09 GMT