What day is January 21, 2029?
January 21, 2029
It's Sunday
January 21, 2029
January 21, 2029 is a Sunday. Below you'll find this date converted across multiple world calendar systems including Hebrew, Islamic, Julian, Chinese, and more.
How do we know the weekday? We use Zeller's congruence — a proven mathematical formula that maps any Gregorian date to its day of the week without lookup tables.
Whether you're planning events, doing historical research, or simply curious about what day of the week a date falls on, this page provides instant answers with verified calendar conversions. All calculations use established astronomical algorithms. Learn about our methodology.
🎗️ January 21 is also National Hugging Day
Historical Milestone — On This Day
Did you know? Every day in history has a story. We are currently expanding our historical database!
Frequently Asked Questions
What day of the week is January 21, 2029?
January 21, 2029 is a Sunday. It is day 21 of 2029, in week 3.
Is January 21, 2029 a weekend or a weekday?
January 21, 2029 is a Sunday, which is a weekend day.
What is January 21, 2029 in the Hebrew calendar?
Use the calendar conversion tool on this page to find the Hebrew date for January 21, 2029.
What is January 21, 2029 in the Islamic (Hijri) calendar?
Use the calendar conversion tool on this page to find the Islamic date for January 21, 2029.
What is January 21, 2029 in the Julian calendar?
Use the calendar conversion tool on this page to find the Julian date for January 21, 2029.
What Chinese zodiac year is January 21, 2029?
Use the calendar conversion tool on this page to find the Chinese zodiac year for January 21, 2029.
What is January 21, 2029 in the Hindu (Vikram Samvat) calendar?
Use the calendar conversion tool on this page to find the Hindu date for January 21, 2029.
What day number is January 21, 2029 in the year?
January 21, 2029 is day 21 of 2029. There are 365 days in 2029.