# Mercury retrograde 2027

Mercury retrograde 2027: astronomical data computed by Astraluno with explicit time zone and precision.

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In 2027, Mercury has 3 retrograde periods starting in the year. Stations and shadows are estimates with explicit uncertainty.

Computed: Tue, Oct 13, 2026, 9:51 AM (UTC). Display zone: UTC.

Rows belong to the year in the stated display zone. Retrograde periods are grouped by their starting station; endings and shadows may fall in the following year. Astraluno computed data: CC BY 4.0.

## Stations and shadows

| Planet | Pre-shadow | Retrograde station | Direct station | Post-shadow | Signs crossed |
| --- | --- | --- | --- | --- | --- |
| Mercury | Mon, Jan 25, 2027, 6:58 PM (UTC; ±7 min) | Tue, Feb 9, 2027 (UTC; ±5 hours) | Wed, Mar 3, 2027 (UTC; ±6 hours) | Tue, Mar 23, 2027, 3:00 PM (UTC; ±8 min) | Pisces → Aquarius; 5°59′ → 20°55′ |
| Mercury | Wed, May 26, 2027, 6:04 AM (UTC; ±9 min) | Thu, Jun 10, 2027 (UTC; ±8 hours) | Sun, Jul 4, 2027 (UTC; ±7 hours) | Mon, Jul 19, 2027, 8:42 AM (UTC; ±8 min) | Cancer → Gemini; 6°22′ → 27°28′ |
| Mercury | Fri, Sep 17, 2027, 7:28 AM (UTC; ±8 min) | Thu, Oct 7, 2027 (UTC; ±6 hours) | Thu, Oct 28, 2027 (UTC; ±5 hours) | Sat, Nov 13, 2027, 9:55 AM (UTC; ±7 min) | Scorpio → Libra; 4°56′ → 19°19′ |

Download CSV: Stations and shadows

Tropical zodiac, geocentric positions. Times estimated with engine 0.1.0, IANA 2026e zones. Windows are empirical estimates, not confidence intervals.

## Links

- [Download CSV: Stations and shadows](https://astraluno.com/mercury-retrograde/2027/periods.csv)
- [Moon sign calculator](https://astraluno.com/moon-sign-calculator/)
- [Birth chart calculator](https://astraluno.com/birth-chart-calculator/)
- [Moon](https://astraluno.com/planets/moon/)
- [Moon today](https://astraluno.com/moon-today/)
- [Sky today](https://astraluno.com/sky-today/)
- [Full Moon](https://astraluno.com/full-moon/)
- [Mercury retrograde](https://astraluno.com/mercury-retrograde/)
- [Mercury](https://astraluno.com/planets/mercury/)
- [Moon calendar 2025](https://astraluno.com/moon-calendar/2025/)
- [Moon calendar 2026](https://astraluno.com/moon-calendar/2026/)
- [Moon calendar 2027](https://astraluno.com/moon-calendar/2027/)
- [Moon calendar 2028](https://astraluno.com/moon-calendar/2028/)
- [Mercury retrograde 2025](https://astraluno.com/mercury-retrograde/2025/)
- [Mercury retrograde 2026](https://astraluno.com/mercury-retrograde/2026/)
- [Mercury retrograde 2027](https://astraluno.com/mercury-retrograde/2027/)
- [Mercury retrograde 2028](https://astraluno.com/mercury-retrograde/2028/)
- [Retrogrades 2025](https://astraluno.com/retrogrades/2025/)
- [Retrogrades 2026](https://astraluno.com/retrogrades/2026/)
- [Retrogrades 2027](https://astraluno.com/retrogrades/2027/)
- [Retrogrades 2028](https://astraluno.com/retrogrades/2028/)
- [Planet ingresses 2025](https://astraluno.com/planet-ingresses/2025/)
- [Planet ingresses 2026](https://astraluno.com/planet-ingresses/2026/)
- [Planet ingresses 2027](https://astraluno.com/planet-ingresses/2027/)
- [Planet ingresses 2028](https://astraluno.com/planet-ingresses/2028/)

Canonical: https://astraluno.com/mercury-retrograde/2027/
Last revised: 2026-10-13