"Sun, 19 May 2024 13:20:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240519
Only TIME
13:20:47
General datetime
2024-05-19 13:20:47Z
For Database
2024-05-19 13:20:47
For HTTP1.1
Sun, 19 May 2024 13:20:47 GMT