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
Saturn
2100-10-11 → 2100-12-05
Mercury
2100-12-05 → 2101-01-23
Ketu
2101-01-23 → 2101-02-12
Venus
2101-02-12 → 2101-04-11
Sun
2101-04-11 → 2101-04-28
Moon
2101-04-28 → 2101-05-27
Mars
2101-05-27 → 2101-06-17
Rahu
2101-06-17 → 2101-08-08
Jupiter
2101-08-08 → 2101-09-23
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.