There are 328 days until September 21, 2027.

This calendar shows today and September 21, 2027, with the days between them tinted.

September 21 falls on a Tuesday in 2027, and these are the next six dates.

Of the 327 days before September 21, 223 are US work days.

Counting from today, Wednesday, October 28, 2026, the 327 days before September 21 include 94 weekend days and these federal holidays: Veterans Day (Wed, Nov 11, 2026), Thanksgiving Day (Thu, Nov 26, 2026), Christmas Day (Fri, Dec 25, 2026), New Year's Day (Fri, Jan 1, 2027), Birthday of Martin Luther King, Jr. (Mon, Jan 18, 2027), Washington's Birthday (Mon, Feb 15, 2027), Memorial Day (Mon, May 31, 2027), Juneteenth National Independence Day (Fri, Jun 18, 2027), Independence Day (Mon, Jul 5, 2027) and Labor Day (Mon, Sep 6, 2027). A US work day is a Monday to Friday that is not a federal holiday, on the dates OPM lists for observing them. Today and the date are not counted.

The business days calculator counts work days between any two dates, and the date calculator adds or subtracts any span from a date.

82% of 2026 has passed.

Today, Wednesday, October 28, 2026, is day 301 of the 365 days in 2026. September 21 is 328 days away.

The dates on either side of September 21 have their own countdowns.

• Day beforeSeptember 20327 days
• Day afterSeptember 22329 days
• The monthAll of September30 dates
• The yearAll countdowns12 months

Here is how many days are left until the next holidays.

• New Year 65 days
• End of the year 64 days
• Halloween 3 days
• Thanksgiving 29 days
• Black Friday 30 days
• Hanukkah 37 days
• Christmas 58 days
• Valentine's Day 109 days
• St. Patrick's Day 140 days
• First day of spring 143 days
• Easter 151 days
• Mother's Day 193 days
• Memorial Day 215 days
• First day of summer 236 days
• 4th of July 249 days
• Labor Day 313 days

The birthday countdown counts to a date you pick.