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
Venus
2012-03-20 → 2012-03-22
Sun
2012-03-22 → 2012-03-23
Moon
2012-03-23 → 2012-03-23
Mars
2012-03-23 → 2012-03-24
Rahu
2012-03-24 → 2012-03-26
Jupiter
2012-03-26 → 2012-03-27
Saturn
2012-03-27 → 2012-03-29
Mercury
2012-03-29 → 2012-03-30
Ketu
2012-03-30 → 2012-03-31
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.