Sunday's Child: Birth Day Meaning & Poem
Born on a Sunday, you share your birthday’s name with a star, not a god. Sunday is one of only two weekdays in English (the other is Monday) that never got swapped from a Roman name to a Germanic one, so it’s still, quite literally, the sun’s day.
Where the name Sunday comes from
The Romans called the first day of their week dies Solis, “day of the sun,” after Sol, their sun god. When the Anglo-Saxons adopted the seven-day week, they translated the idea instead of borrowing the Latin word: dies Solis became Old English Sunnandæg, “sun’s day,” from sunne (“sun”) and dæg (“day”). Modern English “Sunday” comes straight from that compound.
Sunday is unusual in another way, too. Most Romance languages kept the Latin planet names for the rest of the week, but broke the pattern here: French dimanche, Spanish domingo, and Italian domenica all come from dies Dominica, “the Lord’s day,” a later Christian relabeling. English kept the older, plainer “sun day” instead.
The Monday’s Child rhyme for Sunday
Sunday closes out the Monday’s Child rhyme, and it gets a longer, more ornate couplet than any other day:
Saturday’s child works hard for a living, And the child that is born on the Sabbath day Is bonny and blithe, and good and gay.
“Bonny and blithe” is the fortune usually quoted for Sunday’s child today, meaning roughly good-looking and cheerful. The rhyme was first widely printed in the 1830s, in A. E. Bray’s Traditions of Devonshire (commonly dated 1838), though the habit of predicting a child’s luck by weekday is older still. Even that final couplet never fully settled: folklorist James Orchard Halliwell later collected a version that swaps “the Sabbath day” for “a Christmas day,” rhyming the same fortune to a different occasion entirely.
Sunday as a day of rest, sort of
Sunday’s cultural weight goes beyond the rhyme. It’s the traditional Sabbath in most Christian traditions and a day of rest across much of the historically Christian world, which is also part of why it still leads plenty of printed calendars as the first day of the week in the US. Other faiths mark different weekly holy days: Friday for Jumu’ah prayers in Islam, Saturday for Shabbat in Judaism. Worth noting neutrally, since it trips people up: those are religious and cultural conventions, not something built into the definition of the weekday itself.
That first-day-or-last-day question has a genuinely confusing modern answer. The international ISO 8601 standard fixes Monday as day one of the week, which makes Sunday the seventh and last day on that system, even though Sunday still sits at the start of the row on plenty of American wall calendars.
Folklore vs the calendar
None of that history changes the arithmetic. Whether you land on a Sunday is decided by the Gregorian calendar, not by rhyme or religion. Our methodology page explains how this site builds your birth date locally in the browser before reading the weekday, the detail that keeps a birth date from silently sliding to the previous day on a UTC-based calculator.
Other weekdays
See how the rhyme treats the day before: Saturday’s child works hard for a living. Or start the week over with Monday. Browse every day on the weekdays hub.
Find your birth weekday
Enter your date in the birthday calculator to see whether you were born on a Sunday, alongside age, moon phase, zodiac labels, and milestones.
Common questions
What does the Monday's Child rhyme say about Sunday?
In the common modern wording, Sunday's child, born 'on the Sabbath day,' is bonny and blithe, and good and gay. Older collections sometimes swap the occasion to Christmas Day instead, while keeping the same cheerful fortune.
Why do I see different versions of the rhyme online?
The rhyme circulated by word of mouth for generations before A. E. Bray first wrote it down in the 1830s, and later collectors such as James Orchard Halliwell recorded slightly different lines. Sunday's closing couplet is one of the lines most likely to change between versions.
Is my birth weekday definitely correct?
Yes. Your birth weekday follows directly from your birth date on the Gregorian calendar; it isn't a matter of interpretation. This site builds your date as a local calendar date in the browser before reading the weekday, which avoids a common bug where a UTC-parsed date silently shifts to the previous day.
Does the rhyme's fortune actually mean anything?
No. It's folklore, not fate. The Monday's Child rhyme was written as a memorable way to teach children the days of the week, and its fortunes are traditional verse, not a personality prediction.