"Sun, 16 Jun 2024 20:05:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
20:05:04
General datetime
2024-06-16 20:05:04Z
For Database
2024-06-16 20:05:04
For HTTP1.1
Sun, 16 Jun 2024 20:05:04 GMT