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
1998-09-17 → 1998-09-17
Ketu
1998-09-17 → 1998-09-18
Venus
1998-09-18 → 1998-09-18
Sun
1998-09-18 → 1998-09-18
Moon
1998-09-18 → 1998-09-19
Mars
1998-09-19 → 1998-09-19
Rahu
1998-09-19 → 1998-09-19
Jupiter
1998-09-19 → 1998-09-20
Saturn
1998-09-20 → 1998-09-20
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.