1, From date ( year/month/day )
2, From time ( am or pm or full day )
3, To date ( year/month/day )
4, To time ( am or pm or full day )
Point 2 and 4 : 1 for full day, 0.5 for am or pm
In HTML :
From date, From time, To date, To time.
So, is there any example for reference and share ?