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
Saturn
1991-12-08 → 1991-12-10
Mercury
1991-12-10 → 1991-12-13
Ketu
1991-12-13 → 1991-12-14
Venus
1991-12-14 → 1991-12-16
Sun
1991-12-16 → 1991-12-17
Moon
1991-12-17 → 1991-12-19
Mars
1991-12-19 → 1991-12-19
Rahu
1991-12-19 → 1991-12-22
Jupiter
1991-12-22 → 1991-12-24
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.