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
Ketu
2000-10-05 → 2000-10-06
Venus
2000-10-06 → 2000-10-08
Sun
2000-10-08 → 2000-10-09
Moon
2000-10-09 → 2000-10-10
Mars
2000-10-10 → 2000-10-11
Rahu
2000-10-11 → 2000-10-12
Jupiter
2000-10-12 → 2000-10-14
Saturn
2000-10-14 → 2000-10-16
Mercury
2000-10-16 → 2000-10-18
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.