Operations on Units of Time

After independence, how many leap years have passed till $2014$?

Debubabu built a new house. He built two windows of his house. Each window has two panes. If he takes $2 \mathrm{hr} 15 \min$ to paint $1$ window pane, find how long  he will take to colour $2$ windows in hours?

Chhavi reaches the theatre at $17:35$. The film starts at $18:30$. How long must she wait before the film starts?

The age of my father is $52$ years $8$ months $20$ days. My uncle is $3$ years $10$ months $26$ days elder than my father. Find the age of my uncle.

To reach father's office from home, it takes $2 \mathrm{hrs}$ $27 \min$ but while returning to home, it takes $2 \mathrm{hrs}$ $51 \min$. Calculate how long (in hrs and min)it takes in total to go father's office and back.

Today I am going to Puri with my family. The train will leave from Howrah station at $22:35$ hours, we reached Howrah station at $20:44 \mathrm{hrs}$. Calculate how long (in hrs and min) we have to wait at the station.

Yesterday Deba went to bed at $10:25 \mathrm{p}.\mathrm{m}.$But today he woke up at $6:10 \mathrm{a}.\mathrm{m}.$ Find how long(in hrs and min) he slept. 

Find $15 \mathrm{hrs}÷12=$ how many $\mathrm{hrs}$ and $\mathrm{mins}$?

Find $2 \mathrm{hrs} 32 \min 41 \sec \times 3=$How many $\mathrm{hours},\min ,\mathrm{secs}?$

In $11 \mathrm{hrs} 36 \min$, Phani da can make $4$ exactly similar clay statues. Find how long (in hrs and min) will he take to make one such statue. He takes equal time to make each statue.

Find the subtraction: $\left(23 \mathrm{hr} 7 \min \right)-\left(19 \mathrm{hr} 29 \min 18 \sec \right)$

$\begin{array}{cccc}& 1 \mathrm{hour}& 20 \mathrm{minutes}& 10 \mathrm{seconds}\\ +& 3 \mathrm{hours}& 4 \mathrm{minutes}& 41 \mathrm{seconds}\\ +& 4 \mathrm{hours}& 22 \mathrm{minutes}& 27 \mathrm{seconds}\\ & & & \end{array}$

$\begin{array}{cccc}& 2 \mathrm{hour}& & 33 \mathrm{seconds}\\ +& 5 \mathrm{hours}& 48 \mathrm{minutes}& 28 \mathrm{seconds}\\ +& 7 \mathrm{hours}& 20 \mathrm{minutes}& \\ & & & \end{array}$

I have to reach Sealdah station at $11$ o'clock. It takes $30 \mathrm{minutes}$ by bus to reach the station from my home. When shall I start from home to be at the station in time in HH:MM?

If Manidipa left home at $8:20$ in the morning and reached the ground at $10:15$, then the time taken by Manidipa is _____ hours _____ minutes.

The match begins at $11:30$ in the morning. The time for first half of match, the interval and the second half is shown below. Find the total time of match.

$1^{\mathrm{st}}$ June of $2008$ was Tuesday. Let us calculate which day was $1^{\mathrm{st}}$ June of $2006$.

Independence Day of $2013$ is Thursday. Find which day will be the Independence Day of $2016$.

I went to watch a movie in a cinema hall with my Ishi (aunt). The Movie started at $1:15 \mathrm{hours}$ in the afternoon. It lasted for $2 \mathrm{hours} \text{and} 35 \mathrm{minutes}$. When the movie was over, the hour hand of my wrist watch was nearly at _____.  

$\begin{array}{cccc}& 2 \mathrm{hour}& & 33 \mathrm{seconds}\\ +& 5 \mathrm{hours}& 48 \mathrm{minutes}& 28 \mathrm{seconds}\\ +& 7 \mathrm{hours}& 20 \mathrm{minutes}& \\ & & & \end{array}$