"Sun, 19 May 2024 17:02:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240519
Only TIME
17:02:37
General datetime
2024-05-19 17:02:37Z
For Database
2024-05-19 17:02:37
For HTTP1.1
Sun, 19 May 2024 17:02:37 GMT