The 2021 Sidereal Planetary Transits iCal is digital calendar file meant to be imported into your existing iPhone, Android, or computer's calendar. It can also be viewed as a spreadsheet.
Dates for the 2021 sidereal (Lahiri) planetary sign changes, retrogrades, and aspects (conjunctions, squares, oppositions, and trines.) Includes Sun, Mercury, Venus, Mars, Jupiter, and Saturn.
It is strongly recommended that you create a new calendar and upload the iCal into that calendar rather than merging it into your existing calendar.