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
Venus
1998-01-27 → 1998-01-28
Sun
1998-01-28 → 1998-01-29
Moon
1998-01-29 → 1998-01-29
Mars
1998-01-29 → 1998-01-30
Rahu
1998-01-30 → 1998-01-31
Jupiter
1998-01-31 → 1998-02-02
Saturn
1998-02-02 → 1998-02-03
Mercury
1998-02-03 → 1998-02-04
Ketu
1998-02-04 → 1998-02-05
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.