One person had a habit of spending money according to dates

One person had a habit of spending money according to dates.
i.e. If date is 19 he was spending Rs.19
and if date is 15, he was spending Rs. 15.
One night he calculated total spending of 5 consecutive days - Monday to Friday
and he found that he spent Rs. 61 in 5 days.
Identify dates.??

Can anybody solve this??

I am waiting for your answer 👑

Whatsapp Puzzle Submitted by Aishwariya Amidwar using the Submit a Puzzle Feature of the Site.

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The days are 27, 28 of Feb and 1,2,3 of March !