Best Days to Publish a Book in 2027
The best day in each month of 2027 to publish a book, release your writing, or send it into the world, by Western electional astrology: the waxing Moon applying to Mercury (the word), Jupiter (reach), or the Sun (visibility), with Mercury direct. Computed with the Swiss Ephemeris.
| Month | Best day | Score | Why this one |
|---|---|---|---|
| January | Thu, Jan 7 | 9 | Waxing Moon in Capricorn applying to a conjunction with Mercury, Jupiter rising. |
| February | Mon, Feb 1 | 7 | Moon in Sagittarius applying to a trine to Jupiter, Sun on the Midheaven. Before the Feb 10 retrograde. |
| March | Wed, Mar 10 | 9 | Waxing Moon in Aries applying to a trine to Jupiter, Sun rising, in a Mercury hour. |
| April | Wed, Apr 14 | 9 | Waxing Moon in Leo applying to a trine to Mercury, Sun on the Midheaven, in a Sun hour. |
| May | Wed, May 12 | 9 | Waxing Moon in Leo applying to a conjunction with Jupiter, Jupiter rising, in a Sun hour. |
| June | Tue, Jun 8 | 9 | Waxing Moon in Leo applying to a sextile to the Sun, Jupiter rising, in a Mercury hour. |
| July | Tue, Jul 6 | 9 | Waxing Moon in Leo applying to a conjunction with Jupiter, Jupiter rising, in a Mercury hour. |
| August | Fri, Aug 6 | 9 | Waxing Moon in Libra applying to a sextile to the Sun, Sun on the Midheaven, in a Sun hour. |
| September | Sat, Sep 4 | 11 | Waxing Moon in Scorpio applying to a sextile to Jupiter, Jupiter and Sun on the Midheaven. The year's strongest. |
| October | Mon, Oct 4 | 9 | Waxing Moon in Sagittarius applying to a sextile to the Sun, Sun rising, in a Mercury hour. |
| November | Mon, Nov 1 | 9 | Waxing Moon in Sagittarius applying to a sextile to Mercury, Sun rising, in a Mercury hour. |
| December | Thu, Dec 2 | 11 | Waxing Moon in Aquarius applying to a sextile to Mercury, Jupiter on the Midheaven, Sun rising. |
Best day shown by date; the exact best hour depends on your location. Run your city in the timing finder.
How these dates are chosen
Publishing is Mercury (the written word) lifted by Jupiter (a wide audience) and the Sun (recognition). The Moon should be waxing, not void of course, and applying to one of these, away from Mars and Saturn. Above all, Mercury direct, so the words land as written.
What to avoid
Mercury retrograde is the one to dodge for anything built on words: Feb 10 to Mar 4, Jun 11 to Jul 5, Oct 8 to 29. The eclipse seasons around Feb 6 and 20 and around Jul 18, Aug 2, and Aug 17 are loud, unpredictable ground for a debut you want read on its merits.
Sending your words out?
Find the exact best window for your city in the free timing finder, or commission a full electional reading that weighs the sky against your own chart.
Open the timing finderCommon questions
What is the best day to publish a book in 2027?
The strongest days fall on a waxing Moon applying to Mercury, Jupiter, or the Sun, with Mercury direct. The table above gives the best such day in each month of 2027.
Why keep Mercury direct for publishing?
Mercury rules writing, print, and the message itself. Releasing under a retrograde Mercury (Feb 10 to Mar 4, Jun 11 to Jul 5, Oct 8 to 29 in 2027) invites mix-ups and revisions, so the dates keep it direct.
How are these dates calculated?
By Western electional astrology, computed with the Swiss Ephemeris in whole-sign houses. The exact best hour depends on your location, since the angles and planetary hours are local.
Does my own chart matter?
For the strongest result, yes. These dates rank the sky, which is the same for everyone. The single best date is the one that also speaks well to your own chart, which is the personalized reading.