"Sun, 11 Feb 2024 06:24:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240211
Only TIME
06:24:09
General datetime
2024-02-11 06:24:09Z
For Database
2024-02-11 06:24:09
For HTTP1.1
Sun, 11 Feb 2024 06:24:09 GMT