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
Rahu
1991-11-09 → 1991-11-11
Jupiter
1991-11-11 → 1991-11-13
Saturn
1991-11-13 → 1991-11-16
Mercury
1991-11-16 → 1991-11-18
Ketu
1991-11-18 → 1991-11-19
Venus
1991-11-19 → 1991-11-21
Sun
1991-11-21 → 1991-11-22
Moon
1991-11-22 → 1991-11-24
Mars
1991-11-24 → 1991-11-24
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.