"Sun, 11 Feb 2024 06:23:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240211
Only TIME
06:23:51
General datetime
2024-02-11 06:23:51Z
For Database
2024-02-11 06:23:51
For HTTP1.1
Sun, 11 Feb 2024 06:23:51 GMT