Changes

=== Indian origin of seconds, minutes and degrees ===

=== Indian origin of seconds, minutes and degrees ===

''Surya Siddhanta'' in chapter 2 describes the units of seconds, minutes and degrees. These units of measurement are primary basis of the calculations of earth's obliquity and sine tables of ''Surya Siddhanta''. It is reasonable to think that these units or concepts had been in existence prior to other calculations and observation made in the epoch of 6th millennium BC as discussed in this article. The descriptions are

''Surya Siddhanta'' in chapter 2 describes the units of seconds, minutes and degrees. These units of measurement are primary basis of the calculations of earth's obliquity and sine tables of ''Surya Siddhanta''. Essentially ''Surya Siddhanta'' describes that Rashi has 30 degrees (Ansh) implying it has 1800 minutes (Kala). The data is as as described in the table

{| class="wikitable"

{| class="wikitable"

| Second || Vikala || -

| Second || Vikala || -

|-

|-

| Minute || Kala || 60 seconds

| Minute || Kala || 60 Vikala/seconds

|-

|-

| Degree || Ansh || 60 minutes

| Degree || Ansh || 60 Kala/minutes or 3600 Vikala/seconds

|-

|-

| Zodiac Sign || Rashi || 30 degrees

| Zodiac Sign || Rashi || 30 Ansh/degrees or 1800 Kala/minutes

|-

|-

| Revolution || Bhagan || 12 zodiac signs

| Revolution || Bhagan || 12 Rashi/zodiac signs

|}

|}