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
Saturn
1990-12-13 → 1990-12-26
Mercury
1990-12-26 → 1991-01-06
Ketu
1991-01-06 → 1991-01-11
Venus
1991-01-11 → 1991-01-25
Sun
1991-01-25 → 1991-01-29
Moon
1991-01-29 → 1991-02-05
Mars
1991-02-05 → 1991-02-10
Rahu
1991-02-10 → 1991-02-22
Jupiter
1991-02-22 → 1991-03-05
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.