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
Venus
2012-06-22 → 2012-12-21
Sun
2012-12-21 → 2013-02-14
Moon
2013-02-14 → 2013-05-16
Mars
2013-05-16 → 2013-07-19
Rahu
2013-07-19 → 2013-12-31
Jupiter
2013-12-31 → 2014-05-26
Saturn
2014-05-26 → 2014-11-15
Mercury
2014-11-15 → 2015-04-20
Ketu
2015-04-20 → 2015-06-22
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.