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
1991-08-30 → 1991-08-31
Saturn
1991-08-31 → 1991-08-31
Mercury
1991-08-31 → 1991-09-01
Ketu
1991-09-01 → 1991-09-01
Venus
1991-09-01 → 1991-09-02
Sun
1991-09-02 → 1991-09-02
Moon
1991-09-02 → 1991-09-03
Mars
1991-09-03 → 1991-09-03
Rahu
1991-09-03 → 1991-09-04
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.