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
1991-07-04 → 1991-07-07
Saturn
1991-07-07 → 1991-07-12
Mercury
1991-07-12 → 1991-07-16
Ketu
1991-07-16 → 1991-07-17
Venus
1991-07-17 → 1991-07-22
Sun
1991-07-22 → 1991-07-24
Moon
1991-07-24 → 1991-07-26
Mars
1991-07-26 → 1991-07-28
Rahu
1991-07-28 → 1991-08-01
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.