Shavuot is a two-day Jewish holiday that falls on the Hebrew calendar dates of Sivan 6–7. Here are the coinciding secular dates for the upcoming years:

Shavuot 2023 begins at sundown on Thursday May 25, 2023, and concludes at nightfall on Shabbat, May 27, 2023. The 10 Commandments are read on May 26, 2023. Yizkor is on May 27.

Shavuot in the Coming Years

2024:   June 11-13 / 10 Commandments: June 12 / Yizkor: June 13

2025:   June 1-3 / 10 Commandments: June 2 / Yizkor: June 3

2026:   May 22-23 / 10 Commandments: May 22 / Yizkor: May 23

2027:   June 10-12 / 10 Commandments: June 11 / Yizkor: June 12

Note: The Jewish calendar date begins at sundown of the night beforehand. Thus all holiday observances begin at sundown on the secular dates listed, with the following day being the first full day of the holiday. Jewish calendar dates conclude at nightfall.

Also note: In Israel, the holiday is observed for just one day, and Yizkor is recited shortly after the 10 Commandments are read.

Shavuot Info

Prepping for Shavuot? Here are some handy links for you:
What Is Shavuot?
Detailed Shavuot Calendar
Why Eat Dairy on Shavuot?

See Also

When is Rosh Hashanah in 2023, 2024, 2025, 2026 and 2027?
When is Yom Kippur in 2023, 2024, 2025, 2026 and 2027?
When is Sukkot in 2023, 2024, 2025, 2026 and 2027?
When is Shemini Atzeret / Simchat Torah in 2023, 2024, 2025, 2026 and 2027?
When is Chanukah in 2023, 2024, 2025, 2026 and 2027?
When is Purim in 2023, 2024, 2025, 2026 and 2027?
When is Passover in 2023, 2024, 2025, 2026 and 2027?
When is the Ninth of Av in 2023, 2024, 2025, 2026 and 2027?