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 → Jupiter
Venus
1999-08-22 → 1999-08-23
Sun
1999-08-23 → 1999-08-24
Moon
1999-08-24 → 1999-08-25
Mars
1999-08-25 → 1999-08-26
Rahu
1999-08-26 → 1999-08-27
Jupiter
1999-08-27 → 1999-08-29
Saturn
1999-08-29 → 1999-08-31
Mercury
1999-08-31 → 1999-09-01
Ketu
1999-09-01 → 1999-09-02
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.