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
Venus
2057-04-28 → 2057-10-18
Sun
2057-10-18 → 2057-12-09
Moon
2057-12-09 → 2058-03-05
Mars
2058-03-05 → 2058-05-04
Rahu
2058-05-04 → 2058-10-07
Jupiter
2058-10-07 → 2059-02-22
Saturn
2059-02-22 → 2059-08-04
Mercury
2059-08-04 → 2059-12-29
Ketu
2059-12-29 → 2060-02-27
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.