"Sun, 16 Jun 2024 13:06:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
13:06:23
General datetime
2024-06-16 13:06:23Z
For Database
2024-06-16 13:06:23
For HTTP1.1
Sun, 16 Jun 2024 13:06:23 GMT