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
Saturn
2018-03-26 → 2018-04-05
Mercury
2018-04-05 → 2018-04-13
Ketu
2018-04-13 → 2018-04-17
Venus
2018-04-17 → 2018-04-27
Sun
2018-04-27 → 2018-04-30
Moon
2018-04-30 → 2018-05-05
Mars
2018-05-05 → 2018-05-09
Rahu
2018-05-09 → 2018-05-18
Jupiter
2018-05-18 → 2018-05-26
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.