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 → Rahu
Venus
1991-10-04 → 1991-10-21
Sun
1991-10-21 → 1991-10-26
Moon
1991-10-26 → 1991-11-03
Mars
1991-11-03 → 1991-11-09
Rahu
1991-11-09 → 1991-11-24
Jupiter
1991-11-24 → 1991-12-08
Saturn
1991-12-08 → 1991-12-24
Mercury
1991-12-24 → 1992-01-07
Ketu
1992-01-07 → 1992-01-13
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.