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
2004-05-15 → 2004-05-16
Venus
2004-05-16 → 2004-05-17
Sun
2004-05-17 → 2004-05-17
Moon
2004-05-17 → 2004-05-18
Mars
2004-05-18 → 2004-05-18
Rahu
2004-05-18 → 2004-05-20
Jupiter
2004-05-20 → 2004-05-21
Saturn
2004-05-21 → 2004-05-22
Mercury
2004-05-22 → 2004-05-23
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.