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
Ketu
2070-12-04 → 2070-12-13
Venus
2070-12-13 → 2071-01-07
Sun
2071-01-07 → 2071-01-14
Moon
2071-01-14 → 2071-01-26
Mars
2071-01-26 → 2071-02-04
Rahu
2071-02-04 → 2071-02-26
Jupiter
2071-02-26 → 2071-03-18
Saturn
2071-03-18 → 2071-04-11
Mercury
2071-04-11 → 2071-05-02
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.