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
Ketu
1998-06-01 → 1998-06-10
Venus
1998-06-10 → 1998-07-04
Sun
1998-07-04 → 1998-07-12
Moon
1998-07-12 → 1998-07-24
Mars
1998-07-24 → 1998-08-02
Rahu
1998-08-02 → 1998-08-24
Jupiter
1998-08-24 → 1998-09-13
Saturn
1998-09-13 → 1998-10-07
Mercury
1998-10-07 → 1998-10-28
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.