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
2012-06-22 → 2012-07-22
Sun
2012-07-22 → 2012-07-31
Moon
2012-07-31 → 2012-08-16
Mars
2012-08-16 → 2012-08-26
Rahu
2012-08-26 → 2012-09-23
Jupiter
2012-09-23 → 2012-10-17
Saturn
2012-10-17 → 2012-11-15
Mercury
2012-11-15 → 2012-12-11
Ketu
2012-12-11 → 2012-12-21
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.