"Sun, 19 May 2024 12:14:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240519
Only TIME
12:14:17
General datetime
2024-05-19 12:14:17Z
For Database
2024-05-19 12:14:17
For HTTP1.1
Sun, 19 May 2024 12:14:17 GMT