In 2023, Ukraine will celebrate the Trinity on Sunday, June 12. This day is considered the most important church holiday after Easter. It is also called Green Sunday, because according to tradition, at this time it is customary to decorate homes with wreaths and amulets made from wildflowers and herbs. On Trinity, it is forbidden to work and do household chores, and the Monday after is a day off. For the holiday, we have created beautiful postcards in Ukrainian and selected congratulations so that you can send them to your family and friends. Postcards can be found at the links at the end of our article, but in the meantime, let’s remember the traditions of this wonderful holiday.

thursday after trinity sunday

What is the Holy Trinity?

The Holy Trinity is a concept that can be difficult to understand, as it seems to suggest that there are three Gods instead of one. However, Christians believe that there is only one God, who exists in three persons. The Father is the creator of the universe, the Son is Jesus Christ who came to save humanity from sin, and the Holy Spirit is the divine presence of God in the world.

When is Trinity celebrated?

It is celebrated on the fiftieth day after Easter, hence the second unofficial name – Pentecost. Every year the date of the celebration moves, because it is directly related to when Easter was held this year.

Significance of the Holy Trinity in Christianity

Traditionally, divine services are held on this festive Sunday, believers read prayers for the salvation of those who are no longer with us. It is also customary to decorate houses with flowers, herbs, and green twigs from trees, most often birch. The Trinity symbolizes the awakening of nature and the beginning of a new life. There are beliefs that the greenery in the house drives away evil spirits and protects from adversity, and medicinal herbs collected for the holiday will be more healing.

Significance of the Holy Trinity in Christianity

Celebrating the Holy Trinity: traditions and Customs

Trinity Sunday is the first Sunday after Pentecost, and it is the day when the Holy Trinity is celebrated in many Christian denominations. There are also various customs and traditions associated with the Holy Trinity, such as the use of the triquetra symbol, trinitarian prayers, and iconography.

Trinity Sunday

Trinity Sunday is a time for Christians to reflect on the nature of God and His relationship with humanity. It is a day for celebrating the mystery of the Holy Trinity and giving thanks for God’s love and mercy.

Triquetra symbol

The triquetra is a symbol that represents the Holy Trinity in many Christian traditions. It is made up of three interlocking circles, which represent the three persons of the Trinity.

Trinitarian prayers

Trinitarian prayers are prayers that acknowledge the Holy Trinity and give thanks to the Father, the Son, and the Holy Spirit. These prayers are often used in worship services and private prayer.


Iconography is the use of images to represent the Holy Trinity. In Christian art, the Holy Trinity is often depicted as three figures, with the Father represented as an old man, the Son as Jesus Christ, and the Holy Spirit as a dove.

What not to do on Trinity

  • clean and wash;
  • cut hair and carry out cosmetic procedures;
  • sew and knit;
  • work in the garden;
  • swim in the reservoirs (this is a particularly interesting story: it has long been believed that on this day
  • there are evil spirits that can drag a person to the bottom);
  • walk in the forest or in the field alone;
  • quarrel, insult relatives;
  • celebrate a wedding (this is a bad omen).

Signs on the Trinity

collected medicinal herbs will have more healing properties;
a birch twig must be placed on the windowsill to ward off evil spirits;
rain on Trinity – there will be a lot of mushrooms and harvest;
sunny day on Trinity – summer will be hot;
rainbow for the holiday – joy in the house.

Sending postcards on Trinity Sunday

Sending postcards on Trinity Sunday is a tradition that has been around for many years. These postcards often feature images of the Holy Trinity, such as the triquetra symbol or iconography. They are a way for Christians to celebrate the day and share their faith with others.

you can also get Happy Easter Wishes, Greetings & Messages 2023

Congratulations on the Trinity

Happy Green Holidays! Open the window and let the summer sun into the house. May it warm you, and the Holy Trinity protect your family, and give you health and faith in a brighter future. Now peace and security will always be in your home!

Congratulations on the Trinity

Happy Holy Trinity Day! I wish you strong faith, God’s mercy, and kindness. May your family know no sorrow, and may your soul glow with happiness!

On this day, forget all grievances and open your heart to love and kindness. Forgive everyone who hurt you and then you will be filled with joy and harmony. Happy Trinity Day to you!

Trinity has come – a time of hope. Release your dreams into the heavenly distance so that they come true and bring boundless happiness and peace into your life!

I send you sincere congratulations on the Trinity! Listen to the solemn church bells and feel how it fills you with hope and faith, health and strength, inspiration and wisdom. I wish you happiness on this bright day!

May the Holy Trinity be always with you and protect you from adversity and unkind people. We wish you well-being, good health, and good luck in every business!


The Holy Trinity is a central doctrine of Christianity, and it is celebrated through various traditions and customs. Trinity Sunday is a time for reflection and giving thanks for God’s love and mercy. Sending postcards on this day is a way for Christians to share their faith with others and celebrate the mystery of the Holy Trinity.


What is the Holy Trinity?

The Holy Trinity is a doctrine of Christianity that describes God as three distinct persons in one divine being. These three persons are the Father, the Son (Jesus Christ), and the Holy Spirit. Each person is fully God, yet the three persons are not separate gods, but one Godhead.

Why is the Holy Trinity important to Christians?

The Holy Trinity is important to Christians because it helps to explain the nature of God and His relationship with humanity. Believing in the Holy Trinity is also a central part of Christian faith and worship.

Is the Holy Trinity explicitly stated in the Bible?

The concept of the Holy Trinity is not explicitly stated in the Bible, but it is derived from various passages that refer to the three persons of the Godhead. However, many Christians believe that the Bible supports the doctrine of the Holy Trinity.

How was the doctrine of the Holy Trinity developed?

The doctrine of the Holy Trinity was developed over several centuries in the early Christian church. The concept was debated and refined by theologians, and it was formally defined at the Councils of Nicaea and Constantinople in the 4th century.

Is the Holy Spirit a separate entity from God the Father and Jesus Christ?

The Holy Spirit is considered one of the three persons of the Holy Trinity and is believed to be fully God. While the Holy Spirit is distinct from the Father and the Son, the three persons are not separate gods, but one Godhead.