Observed arrival · 2026-11-05
その日、していい？ — “Is It Okay That Day?”
A Japanese calendar tool that rates dates for weddings, moving, car purchases, ceremonies, and other occasions using traditional auspicious and inauspicious day markers.
- For
- People choosing dates for weddings, moves, ceremonies, or purchases
- Worth noticing
- It says auspicious-day beliefs are unverified and describes cross-checking 730 days of calendar data against Arachne Calendar.
Field notes
The calendar combines rokuyō with markers such as ichiryūmanbai, tensha, fujōju, and sanrinbō, then explains how overlapping signs affect an occasion-specific rating. Its methodology note says 730 days in 2026–2027 were compared with Arachne Calendar for several markers, while later calculations for some other markers use the site's own method. The page links its astronomical inputs to the National Astronomical Observatory of Japan.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
One card from the complete issue