Fifteen months is equivalent to one year and three months. It can also be expressed as 1.25 years. In terms of days, it typically amounts to about 457 days, depending on the specific months involved.
About fifteen years and 6 months if you would like to calculate how long it is going until it cancels.
Fifteen feet is fifteen feet long.
15 weeks = 3.45 months
the idiot calendar
yup
It made it possible for Caesar to introduce the Julian calendar.
From 11th February, 2015 to 11th April, 2015, there are 3 months (February, March, April).
About fourteen or fifteen days
the version i have is fifteen minutes long
About fifteen feet.
about fifteen years
It' a long sound - like 'wheel', instead of a short sound like .bed'.