How it’s worked out
55 − (2 × 2 + 21) = 30. Counting through the deck in order (Hearts, Clubs, Diamonds, Spades), card 30 is the Four of Diamonds.
See the step-by-step guide to the formula.
The Four of Diamonds at a glance
Strengths
- Hardworking
- Financially sensible
- Reliable and steady
Challenges
- Stubbornness
- Resistance to change
- Over-focus on security
Read the full Four of Diamonds meaning, including love, work, life lessons and reflection questions.
Your Cardology year if you were born on 21 February
Your Cardology year starts every 21 February. It’s split into seven periods of 52 days, each with its own theme:
| Period and theme | Dates |
|---|---|
| MercuryCommunication, learning and short trips. Things tend to move quickly. | 21 Feb to 13 Apr |
| VenusRelationships, friends, family, home and enjoyment. | 14 Apr to 4 Jun |
| MarsEnergy, drive, competition and conflict. | 5 Jun to 26 Jul |
| JupiterGrowth, money, work opportunities and generosity. Seen as the most positive period. | 27 Jul to 16 Sep |
| SaturnResponsibility, hard work, health and limits. Seen as the most challenging period. | 17 Sep to 7 Nov |
| UranusChange, surprises, independence and gut feelings. | 8 Nov to 29 Dec |
| NeptuneDreams, imagination, travel, rest and wrapping up the year before your birthday. | 30 Dec to 20 Feb |
Dates are for years without 29 February. If 29 February falls inside your year, periods after it start one day earlier.
Each year of your life also has a planet of its own, based on your age. Divide your age by 7: a remainder of 0 is a Mercury year, 1 Venus, 2 Mars, 3 Jupiter, 4 Saturn, 5 Uranus and 6 Neptune. Read about planet years.
Other birthdays with the Four of Diamonds
See your own Cardology year. Enter your birthday to find your card, your planet year and the seven 52-day periods of your year, with a printable PDF.
Find your birth card