The Vimśottarī tree to five levels. Every boundary is an exact division of its parent — the last child ends precisely where the parent does — and the year length is named because it changes the answer. Nothing entered here is stored on our servers — your browser alone remembers your last-used details.
Year length: 365.25636 days (meanSiderealDrik) · running now: Jupiter → Ketu → Saturn → Moon → Jupiter
Mercury
1991-12-24 → 1991-12-26
Ketu
1991-12-26 → 1991-12-27
Venus
1991-12-27 → 1991-12-29
Sun
1991-12-29 → 1991-12-30
Moon
1991-12-30 → 1991-12-31
Mars
1991-12-31 → 1992-01-01
Rahu
1992-01-01 → 1992-01-03
Jupiter
1992-01-03 → 1992-01-05
Saturn
1992-01-05 → 1992-01-07
Boundary times are root-found and residual-verified, never interpolated. Change the convention and these numbers change — which is why it is printed beside them.