When the western astronomers defined a day as 24 hours, Indians defined it as 60 Nazhikas.
The Sexagesimal Division of Day, DIna Shashtiamsa !
For, we find that
1 degree = 60 mins
1 min =60 seconds.
Same, in time computation.
A Nazhika is 24 mins And 60 Nazhikas constitute a day