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
Mars
2016-05-20 → 2016-05-20
Rahu
2016-05-20 → 2016-05-21
Jupiter
2016-05-21 → 2016-05-21
Saturn
2016-05-21 → 2016-05-21
Mercury
2016-05-21 → 2016-05-22
Ketu
2016-05-22 → 2016-05-22
Venus
2016-05-22 → 2016-05-22
Sun
2016-05-22 → 2016-05-22
Moon
2016-05-22 → 2016-05-23
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.