Hello @mizsatta1. The quarterly estimated tax payments are paid on the following schedule:
Payment Period Due Date
| January 1 – March 31 |
April 15 |
| April 1 – May 31 |
June 15 |
| June 1 – August 31 |
September 15 |
| September 1 – December 31 |
January 15 of the following year. |
https://www.irs.gov/faqs/estimated-tax/individuals/individuals-2
