"Sun, 16 Jun 2024 23:43:06"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
23:43:06
General datetime
2024-06-16 23:43:06Z
For Database
2024-06-16 23:43:06
For HTTP1.1
Sun, 16 Jun 2024 23:43:06 GMT