"Sun, 19 May 2024 01:21:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240519
Only TIME
01:21:33
General datetime
2024-05-19 01:21:33Z
For Database
2024-05-19 01:21:33
For HTTP1.1
Sun, 19 May 2024 01:21:33 GMT