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 → Rahu
Mercury
2100-12-05 → 2100-12-12
Ketu
2100-12-12 → 2100-12-15
Venus
2100-12-15 → 2100-12-23
Sun
2100-12-23 → 2100-12-25
Moon
2100-12-25 → 2100-12-29
Mars
2100-12-29 → 2101-01-01
Rahu
2101-01-01 → 2101-01-09
Jupiter
2101-01-09 → 2101-01-15
Saturn
2101-01-15 → 2101-01-23
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.