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 → Jupiter
Moon
2015-01-19 → 2015-01-20
Mars
2015-01-20 → 2015-01-21
Rahu
2015-01-21 → 2015-01-23
Jupiter
2015-01-23 → 2015-01-25
Saturn
2015-01-25 → 2015-01-27
Mercury
2015-01-27 → 2015-01-28
Ketu
2015-01-28 → 2015-01-29
Venus
2015-01-29 → 2015-01-31
Sun
2015-01-31 → 2015-02-01
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.