"Sun, 16 Jun 2024 16:09:06"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
16:09:06
General datetime
2024-06-16 16:09:06Z
For Database
2024-06-16 16:09:06
For HTTP1.1
Sun, 16 Jun 2024 16:09:06 GMT