"Sun, 19 May 2024 04:56:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240519
Only TIME
04:56:17
General datetime
2024-05-19 04:56:17Z
For Database
2024-05-19 04:56:17
For HTTP1.1
Sun, 19 May 2024 04:56:17 GMT