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 → Jupiter
Saturn
1998-12-13 → 1998-12-14
Mercury
1998-12-14 → 1998-12-16
Ketu
1998-12-16 → 1998-12-17
Venus
1998-12-17 → 1998-12-18
Sun
1998-12-18 → 1998-12-19
Moon
1998-12-19 → 1998-12-20
Mars
1998-12-20 → 1998-12-21
Rahu
1998-12-21 → 1998-12-22
Jupiter
1998-12-22 → 1998-12-24
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.