2021 SR

Sun in 6th house.

"When the Solar Return Sun is in the 6th house, the emphasis is on health and work. Generally, health is good as long as you pay attention to what your body is telling you and you have been attentive in the past. Health comes from the inside out and you must work with your body. If you have been negligent, now is the time to take corrective action before a problem arises or worsens. The work emphasis is on organizing your day and streamlining tasks. Choices tend to be either-or. New career directions are more commonly associated with the 10th while the 6th deals with the daily running of the business and office procedures. The CHALLENGE for the coming year when the Sun moves to the 3rd house is to organize your day and improve your health so you have the time and strength for intellectual pursuits. Practical applications can improve your problem-solving ability. The ASSETS from the previous year when the Sun was in the 9th house are a strong philosophical structure that supports your actions and lessens your stress. Your beliefs also guide you towards practical applications." (maryshea)

"When the Solar Return Sun is in the Solar Return 6th house, you can spend the next year of your life focused more on work, what needs to be done, and tending to the little things. You can be more hard-working and focused on smaller tasks and chores, and can work to improve your working environment or situation." (thedarkpixie)

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"The Solar Return Ascendant sign shows your overall temperament, attitude, and approach to life in the year ahead. 
In Cancer, you wear your emotions on your sleeve this year. More sensitive than usual, you have your eye on security. Your attention turns to your home front, your family, and domestic issues. You may be more introspective than usual. Oversensitivity and defensiveness may be a problem. Security is a driving force this year. As Cancer's ruler, the Moon holds important clues as to what area of life in which you may encounter instability and change, and why you feel protective of your sense of security as a result."
(cafeastrology) - Moon in Pisces, conjunct Neptune and MC, squaring the nodes... An emotional, vulnerable and intuitive year?
"During this period you could be confronted with an act or circumstance that touches you deeply. This could be something that was started before your birthday and is now completed. Although the result may not be completely favorable, you will realize, without a doubt, that it is necessary for your growth. Be aware of the fact that you could be more trusting than usual, thereby exposing yourself to undue pain or suffering. You should look at it as a growth experience which will, in the end, produce beneficial results."
"It is also a good time to put down roots, if this is appropriate and desirable for you. It may be the year you find that property you have been looking for. The most favorable months for this will be just prior to your next birthday. Purchasing real estate or a new home, redecorating or otherwise improving your present home, as well as strengthening love bonds and family ties, are all very favorable now."

"Solar Return Ascendant in natal 10th house
You will center all your attention toward the advancement of your career. You will direct your energies toward growth and expansion of your professional possibilities. Success will fundamentally depend on your effort and personal initiative.
During this year, you will want to make your dreams a reality and will develop definite objectives which will improve your future. Remember that success or failure of your enterprises will depend almost exclusively on your own will.
"

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And, with a lot of help from Joanne Wickenburg (L.O.V.E.L.Y book - vibrates strongly with my soul, and heightened feelings):

Heavy on Earth: "You will have to be practical this year. This year you are also learning the type of treasures you need. Develop and utilize your personal assets."

Heavy on Water: "emotions may rule you more than the norm, and at some level, the past."

(Total...!) Lack of Air (which I'm heavy on by birth): "potential difficulty communicating and relating throughout the  year"

Cardinal heavy (natally too): "You will have the energy needed to get things started, to initiate action. You need to see things progressing throughout the year. A year of action and challenge."

Almost all in Western Hemisphere (Eastern by birth...): "You will have less control over decisions and relationships, often having to accept the choices and events of life as others call them. Other people will play important roles. A "destiny fulfilling" chart pattern. There are important lessons to learn this year about sharing responsibility and considering others before making decisions. Instead of living as you are used to, you are learning to wait for opportunities to come rather than creating them independently. ...you will experience issues that require you to stand up for yourself. You have the opportunity to grow, to learn to be more direct."

Mostly Cadant: "...frequently experience the need to make adjustments and remain adaptable ... frequent confusion. A year of transistion and reorientation."

4 heavy planets in 7th house: "the year will require you to interact with others." (one-on-one)

Asc in Cancer: "It's important that you get in touch with your emotions this year, and project empathy, nurturance and sensitivity in your overall approach to the year's activities (especially regarding 10th house matters). Use your "gut feeling" (especially regarding 10th house matters)."
"10th house rules your sense of mission, what feels purposeful" (traditionally 'career', but since I don't have one of those, mission)

Placement of Aries:
"Where you will be challenged to function independently and to start something new"
"In the natal chart, it shows the area of life (house) where you need to know that you can function and make decisions on your own, with little or no outside support." 7th - and not let the partner identify me.
"In the solar return chart, the house having Aries on the cusp describes an area of life where you need to do something new that year, to prove to yourself that you are capable of being a separate individual, that you do not need to rely on others to define who you are." 10th - heavy on the 10th this year - too. But with more emphasis on feelings and emotions, and relationships/others.

Placement of Scorpio: where I need to "look under the surface". 2nd natally, 5th Solar Return (where I natally have my south node)

Placement of Capricorn: Where I "may need to take on significant responsibilities. Don't be frivolous when dealing with issues of this house this year". Natally 4th, SR 7th.

Planets being placed in houses differing from natal placement: "you are being encouraged to utilize their energies in areas of life that may not feel natural to you."

The Sun: "The Sun's natal placement shows what you need to develop in order to be proud of who you are." 3rd natally
2020/2021 I need to "take pride" in house 6. "The Sun is shining on your daily activities and responsibilities." (the daily running of the business)
The Sun rules Leo, Leo in SR shows where the results of the Sun growth will take place: 2nd

The Moon. "Shows where minor changes are always occurring that test your adaptability." Moon in Pisces - natally 6th. Great job there effects 9th - SR Moon house. 

Waxing Moon: "You will be moving ahead with something new that has not yet reached completion, nor have you reached the full awareness of its importance."

1st Quarter Moon: "Crisis in action!" "CHANGE" "conflict between present/future"
(Natal, Full Moon: "Awareness. A need to function with full consciousness. Action must be based on logic and objectivity. You will sometimes feel as if you are being pulled in two directions. Emotions often oppose the will and consciousness. Others stimulate this tension in your life until you realize the need for integration and balance, which only comes through objective awareness.")

Part of Fortune: "Where you search for happiness. Where, by instinctively nurturing an activity, you are actually helping to develop your personality." 6th natally, 12th SR.
12: "This house deals with seclusion, meditation, retreats and all things that encourage you to go within and re-establish a sense of inner peace. It is where you face your ultimate self as well as your spiritual failures. For this reason, it rules penal institutions and rehabilitation facilities as well as hospitals, where you go to find an- other kind of healing. This is the house of prayer, and where you look ahead toward a new horizon with the new goals established in the 11th house."
6: "...the routine matters and daily responsibilities of your life. It is your work environment, and the sign de- fines what you bring to your workplace. It also rules co-workers and how, or if, you interact with them. This is also the house of health-how you maintain your general health. It shows the daily responsibilities you face in order to maintain the physical body. Traditionally, this house has also been given rulership over pets, probably because you take on the daily responsibilities to care for their needs."  

Part of Spirit: "The index to your spiritual wellbeing."

SR North Node 12th: "Don't get caught up in daily routine responsibility to the degree that you negate your spiritual needs and loose sight of faith in the unknown."

SR Vertex in 6th.

Mars and Chiron also in 10th/Aries.
Jupiter, Pluto, Saturn and Pallas in 7th/Capricorn.
Moon, Neptune, Mc and Ceres in 9th/Pisces - with LOTS of aspects.
Vesta in 3rd/Virgo, creating something looking like a bucket (the Moon creating the same in my natal chart) - North Node excluded, shape/pattern-wise. The 3rd house is the "House of Communication" (occupied by The Sun and Neptune natally).

"The Bucket pattern has all but one planet in half of the chart (some authorities allow two if the planets are close together) with the handle of the bucket represented by the opposing or singleton planet. At one level, the planet that is out- side of the "bowl" can be interpreted as an irritant, working against the normal flow of energy and experience. In reality, it acts as a funnel (Rudhyar,) where everything you are doing and learning is being funnelled through or into the experiences of the house containing the singleton in a manner described by that planet. For this rea- son, the singleton planet carries extra power and either creates controversy or objectivity."
"The singleton planet is there to help break you out of the bowl you may feel you are living in, but the process of doing so is a challenge. It is important that you consciously and objectively consider what the singleton planet is offering, and use it as an advantage rather than a hindrance or interference."