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
Mercury
1999-06-18 → 1999-06-19
Ketu
1999-06-19 → 1999-06-20
Venus
1999-06-20 → 1999-06-21
Sun
1999-06-21 → 1999-06-22
Moon
1999-06-22 → 1999-06-22
Mars
1999-06-22 → 1999-06-23
Rahu
1999-06-23 → 1999-06-24
Jupiter
1999-06-24 → 1999-06-25
Saturn
1999-06-25 → 1999-06-26
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.