"Sun, 31 Mar 2024 11:20:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240331
Only TIME
11:20:09
General datetime
2024-03-31 11:20:09Z
For Database
2024-03-31 11:20:09
For HTTP1.1
Sun, 31 Mar 2024 11:20:09 GMT