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
Ketu
2001-10-25 → 2001-10-26
Venus
2001-10-26 → 2001-10-27
Sun
2001-10-27 → 2001-10-28
Moon
2001-10-28 → 2001-10-29
Mars
2001-10-29 → 2001-10-29
Rahu
2001-10-29 → 2001-10-30
Jupiter
2001-10-30 → 2001-11-01
Saturn
2001-11-01 → 2001-11-02
Mercury
2001-11-02 → 2001-11-03
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.