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
2012-05-09 → 2012-05-11
Sun
2012-05-11 → 2012-05-11
Moon
2012-05-11 → 2012-05-12
Mars
2012-05-12 → 2012-05-13
Rahu
2012-05-13 → 2012-05-14
Jupiter
2012-05-14 → 2012-05-15
Saturn
2012-05-15 → 2012-05-17
Mercury
2012-05-17 → 2012-05-18
Ketu
2012-05-18 → 2012-05-18
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.