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
Mercury
2037-12-07 → 2038-04-25
Ketu
2038-04-25 → 2038-06-21
Venus
2038-06-21 → 2038-12-02
Sun
2038-12-02 → 2039-01-20
Moon
2039-01-20 → 2039-04-12
Mars
2039-04-12 → 2039-06-08
Rahu
2039-06-08 → 2039-11-03
Jupiter
2039-11-03 → 2040-03-13
Saturn
2040-03-13 → 2040-08-16
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.