"Sun, 16 Jun 2024 16:16:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
16:16:54
General datetime
2024-06-16 16:16:54Z
For Database
2024-06-16 16:16:54
For HTTP1.1
Sun, 16 Jun 2024 16:16:54 GMT