Time at which Tanishka went to her friend's home = Quarter past 1.
Quarter past means 15 minutes after
So, Tanishka went to her friend's home at 15 minutes after 1 that is 1:15 in the afternoon.
Afternoon means PM.
So, we have to convert 1:15 PM into 24-hour clock format.
As it PM we will add 12 to the number of hours.
1 + 12 = 13
1:15 PM = 13:15
Thus, Tanishka went to her friend's home at 13:15.