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
Moon
1983-12-04 → 1993-12-03
Mars
1993-12-03 → 2000-12-03
Rahu
2000-12-03 → 2018-12-04
Jupiterrunning
2018-12-04 → 2034-12-04
Saturn
2034-12-04 → 2053-12-04
Mercury
2053-12-04 → 2070-12-04
Ketu
2070-12-04 → 2077-12-04
Venus
2077-12-04 → 2097-12-04
Sun
2097-12-04 → 2103-12-05
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.