How ancient timekeeping mechanism looks in modern times

I have always been fascinated with ancient timekeeping mechanism and how it looks in current times e.g. in Hours, minutes and seconds.

We calculate 1 day = 24 hours. Here's how ancient people break 24 hours into sub units:

1 Day = 8 Pehars. 1 Pehar = 3 hours.
1 Pehar = 64 (some says 60) gharis. 1 Ghari = 22.5 mins or 24 mins
1 Ghari = 60 Pal. 1 Pal = 22.5 seconds
1 Pal = 3 chasaas. 1 Chasaa = 7.5 seconds
1 Chasaa = 15 visaas. 1 Visaa = 0.5 seconds
1 Visaa = 15 Nimakh.
1 Nimakh = 0.033 seconds

Hindus and Sikhs by convention take a day to begin at sunrise to sunrise. Muslims on the other hand consider period on a day to begin at sunset (after the magrib prayer) and end at next sunset. Christian day begins at midnight and end at the following midnight.

Let me know your thoughts.

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