The Invention or concept of Time Machine comes from Mahakaal.

The very First Physical Time Measuring Mechanism.The Water Vessel above Shiva Lingam was actually a time measuring machine/ "Ghata Yantra" once.

Very first yantra was introduced in Ujjain Mahakleshwar temple by our Scientist, Astrologer Rishi Varahamihira.

Due to the constant flow of water devotees placed it above the Shiva lingam. In Early days time was measured as per the Sun Movment.

Thereafter, Water and Sand Ghatyantras were introduced. In Bharatvarsh we had these since lakh of years however it was precisely mentioned in Panchsiddhantika and SuryaSiddhanta by our Rishis.

There was a small hole in the vessel for water to enter the vessel and sink into the water in a bell.

These Watery movement were marked on its exterior, later as time passed, science evolved and Pendulum watches and new watches were introduced.

There are many reference in our Purans about measuring Time, days so precisely that we can predict the future eclipse using Panchang.

The Vikram Samvat Calender was no doubt introduced quite earlier compared any other calenders.

Julian Calendar was used by other countries however their measurement were not accurate as per Tropical time so Gregorian calendar was introduced, still this is not so accurate in measuring time and revolution so we add 29th feb after 4 years which is not the case with Panchang.

The balance days, times as per nakshtra are added as adhik maas/extra month which comes after every 32 months, 16 days and 8 ghati. This year 2020 we just completed out extra month and it's considered also as maal mass,

no good work is performed however one of the only month which doesn't have sankranti, also the only month in which we can celebrate each and every vedic festivals

which gives benifit more than 1000 times compared to other festivals.
Thank to Dhaval bhaiya for writing such important and beautiful article.