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
Jupiter
1998-02-15 → 1998-02-22
Saturn
1998-02-22 → 1998-03-01
Mercury
1998-03-01 → 1998-03-08
Ketu
1998-03-08 → 1998-03-11
Venus
1998-03-11 → 1998-03-19
Sun
1998-03-19 → 1998-03-21
Moon
1998-03-21 → 1998-03-25
Mars
1998-03-25 → 1998-03-28
Rahu
1998-03-28 → 1998-04-04
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.