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
Ketu
2018-07-19 → 2018-07-21
Venus
2018-07-21 → 2018-07-24
Sun
2018-07-24 → 2018-07-25
Moon
2018-07-25 → 2018-07-27
Mars
2018-07-27 → 2018-07-29
Rahu
2018-07-29 → 2018-08-01
Jupiter
2018-08-01 → 2018-08-04
Saturn
2018-08-04 → 2018-08-07
Mercury
2018-08-07 → 2018-08-11
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.