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
2018-08-11 → 2018-08-21
Sun
2018-08-21 → 2018-08-24
Moon
2018-08-24 → 2018-08-30
Mars
2018-08-30 → 2018-09-02
Rahu
2018-09-02 → 2018-09-12
Jupiter
2018-09-12 → 2018-09-21
Saturn
2018-09-21 → 2018-10-01
Mercury
2018-10-01 → 2018-10-10
Ketu
2018-10-10 → 2018-10-13
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.