Tu B'Shevat for the year 2015 is celebrated/ observed on sundown of February 3 ending at sundown on February 4.
Tu B'Shevat is observed on the 15th day of the month of Shevat on the Hebrew calendar. The day is about planting trees and to make the land healthy and more vibrant, similar to Arbor Day.
More information on Tu B'Shevat. (Dates, Customs and History for Tu B'Shevat)
How many days to Tu B'Shevat 2015?
There are -3 years, -5 months, -16 days until the celebration/ observance of Tu B'Shevat 2015.