"Sun, 23 Jun 2024 09:23:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
09:23:51
General datetime
2024-06-23 09:23:51Z
For Database
2024-06-23 09:23:51
For HTTP1.1
Sun, 23 Jun 2024 09:23:51 GMT