Days of week names are related to occult powers inside the man (alchemy):

7. Sun-day – Gold – Crown chakra – URANIC gate – Point of soul

6. Moon-day – Silver – Third eye

5. Tues-day (in italian marte-dė or Mars day) – ETHER – Iron/Sulphur – Throat chakra

4. Wednes-day (in Italian mercole-di or Mercury day) – AIR – Mercury – Heart chakra – Point of spirit

3. Thurs-day (in Italian giove-di or Jupiter day) – FIRE – Tin – Solar plexus chakra

2. Fri-day (in Italian vener-di or Venus day) – WATER – Copper – Sacral plexus chakra

1. Satur-day (Saturn day) – EARTH – Lead/Steel/Salt/Ammoniac – Root chakra – TELLURIC gate

The same for the months that have an alchemy meaning:

1. Aries, FIRE, Calcination
2. Taurus, EARTH, Congelation
3. Gemini, AIR, Fixation
4. Cancer, WATER, Dissolution
5. Leo, FIRE, Digestion
6. Virgo, EARTH, Distillation
7. Libra, AIR, Sublimation
8. Scorpio, WATER, Separation
9. Sagittarius, FIRE, Incineration
10. Capricorn, EARTH, Fermentation
11. Aquarius, AIR, Multiplication
12. Pisces, WATER, Projection