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
Mars
2009-04-15 → 2009-04-15
Rahu
2009-04-15 → 2009-04-16
Jupiter
2009-04-16 → 2009-04-16
Saturn
2009-04-16 → 2009-04-17
Mercury
2009-04-17 → 2009-04-17
Ketu
2009-04-17 → 2009-04-17
Venus
2009-04-17 → 2009-04-18
Sun
2009-04-18 → 2009-04-18
Moon
2009-04-18 → 2009-04-18
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.