"Sun, 16 Jun 2024 17:31:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
17:31:09
General datetime
2024-06-16 17:31:09Z
For Database
2024-06-16 17:31:09
For HTTP1.1
Sun, 16 Jun 2024 17:31:09 GMT