The Night We Met Star Map: What to Put on an Anniversary Map
Updated October 15, 2026
A star map for the night you met or for your wedding day needs three things: the date, the local time and the place where it happened. With those, the stars, the Moon and the planets above that spot can be calculated for that minute. The place should be the city where the moment happened, such as where you met or where you married, rather than either of your hometowns.
If you don't remember the exact time, choose the most likely one; within an hour or two, the Moon's shape and most of the bright stars stay the same. If the moment was in daylight, as many weddings are, the map can still show where every star stood behind the daylight, with the Sun marked among them. You can keep that afternoon sky as a record of the moment, or use an evening time from the same day.
Below, one fictional couple shows how each choice plays out, followed by the words that appear on the print and a short checklist before you give it. Every example can be repeated in the free night sky on the day you were born preview.
What to put on an anniversary star map
The date. Use the calendar date where it happened. If you met just after midnight, the date is the next day: 12:30 AM on June 19 is "the night of June 18" in conversation, but June 19 on the calendar.
The time. Use the local clock time as you remember it. Daylight saving time is handled for the date and city, so you don't need to convert anything. One hour of error turns the whole sky by about 15°, which is why the time matters more than it seems. How much a wrong time changes a map is worked through in are custom star maps accurate?
The place. Use a city. The preview offers a list of cities with their coordinates; if your town is not listed, the nearest large city gives almost the same sky. Moving 100 km (about 60 miles) shifts the point directly overhead by less than 1°, about twice the width of the full Moon.
If you don't know the exact time
Pick the time you are most confident about, then compare it with an hour earlier and later in the preview. If the Moon and the planets you care about are above the horizon in all of them, the exact minute changes little.
If you leave the time blank, the preview uses 9:00 PM local time, and the print says so in small type: "Time not given: the sky is shown at 9:00 PM local time." For a first date or an evening wedding, that is often close.
In summer, also check whether the sky was dark yet. The sky is fully dark only when the Sun is about 18° or more below the horizon, and on June nights far from the equator that can take until late evening. The example below shows this.
An example: the night they met in Chicago
A fictional couple met on Saturday, June 18, 2016, at about 11:00 PM in Chicago. This is the sky calculated for that minute, with the same software as the preview.
The Sun was 20° below the horizon, so the sky was fully dark. The Moon was Waxing gibbous: 14.0 days old and 98% lit, 29° above the southern horizon. Three planets were above the horizon:
| Object | Height above the horizon | Direction |
|---|---|---|
| Moon | 29° | south |
| Mars | 27° | south |
| Jupiter | 17° | west |
| Saturn | 27° | south |
The map can name 22 of the brightest stars. At that moment 8 of them were above the horizon: Arcturus, Vega, Altair, Antares, Spica, Deneb, Regulus and Polaris. In all, 2,354 stars were above the horizon and are drawn on the map.
If they remember "around ten." At 10:00 PM the Sun was only 14° below the horizon, so the northwest still had the last light of dusk. The same three planets were up, with Jupiter higher at 28°, and the Moon was 25° up in the southeast. Two more named stars, Capella and Pollux, had not yet set, for 10 in all. Either time gives a recognizable map of that night; the 11:00 PM version matches a fully dark sky.
When the moment was in daylight
The same couple married on Saturday, September 9, 2023, at 3:30 PM in Chicago. At that moment the Sun was 39° up in the southwest.
In the preview, a daytime sky looks like this:
- The stars are still drawn. The map shows all 2,350 stars that were above the horizon, in the positions they had behind the daylight. Nobody could see them that afternoon, but they were there.
- The Sun is marked. It appears as a small ringed circle labeled SUN, so the map itself shows that the moment was in daylight. The paper color does not change.
- The Moon was up. It was a Waning crescent, 23% lit, 13° up in the northwest. A crescent this far from the Sun can be visible in a clear afternoon sky, so it is the one object on the map the guests might have noticed.
- Planets are listed by position. The preview lists Mercury, Venus and Mars as above the horizon, because they were. In full daylight they would not have been visible to the eye.
If you would rather have an evening sky, use the time of the reception, or leave the time blank for 9:00 PM. At 9:00 PM that day the Sun was 20° below the horizon and the Moon had set, so the map shows no Moon; the Moon section of the print still gives its shape for that date, Waning crescent, 21% lit. Saturn was the only planet up, and 2,405 stars are drawn.
There is no wrong choice here. The 3:30 PM map records the moment you married; the 9:00 PM map shows the night that followed.
If you come from different cities
A star map shows the sky from one point on Earth, so choose one place. For most couples it is the place where the moment happened: the city where you first met, or where the wedding was held. The sky over either hometown at the same minute would be a different sky, and because of time zones, "8 PM in Seattle" and "8 PM in Atlanta" are two different moments.
If you met online, or the story belongs to two places, the city where you first met in person is a natural choice. Another option is one map for each city (two maps), each with its own local clock time for the same moment.
The words on the print
Apart from the map, the print carries a few lines of text. Using the wedding example:
- The headline. Whatever you type in the "Name or title" box, up to 40 characters: your names, or a title such as "Emma & Liam." On the Etsy listing this is one of the boxes you fill in at checkout. The free preview's wording is written for a birth: with a name, the small line under it reads "the sky on the day you were born," and without a name that line becomes the headline.
- The date line. The weekday, the date with the month spelled out, the local time and the time zone: "Saturday · September 9, 2023 · 3:30 PM CDT," printed in capitals.
- The Moon. The shape name, the Moon's age and the share of its face that was lit: "Waning crescent," "Age 24.5 days · 23% lit." The age counts days since the last new moon, when the Moon is unlit; about 15 days after that it is full. The names describe shape only. Each phase is explained in what the Moon looked like on the day you were born.
- The Japanese zodiac year. Two kanji with their reading and English name: 癸卯, Mizunoto-U, Year of the Water Rabbit. Japan's traditional calendar names years in a 60-year cycle that pairs one of five elements, each in two forms, with one of 12 animals. The year starts at Risshun, the start of spring around February 4, so a date in January or early February belongs to the previous year; see which zodiac year a January or February date belongs to.
- The microseason. Japan's old almanac divides the year into 72 short seasons of about five days, each named after a small change in nature. September 9, 2023, fell in 草露白, Kusa no tsuyu shiroshi, "Dew glistens white on grass," No. 43 of 72, in the solar term Hakuro (白露). For the night they met, it was 梅子黄, "Plums turn yellow," No. 27, in the solar term Bōshu (芒種), in the year 丙申, Hinoe-Saru, the Fire Monkey. The full list is in Japan's 72 microseasons.
- Your message. A short line of up to 80 characters, typed in the "Short message" box, if you add one.
Before you give it: a checklist
- Names. Check the spelling letter by letter. Names and messages can use Latin letters, including accented letters such as é or ñ, numbers and common punctuation such as "&". Names can be up to 40 characters.
- Date. When you write the date in an order, spell out the month ("18 June 2016" or "June 18, 2016"). 06/07 means June 7 in the United States and 6 July in Britain. The print spells out the month too, with the day first for the United Kingdom, Ireland, Australia and New Zealand.
- Time. Check AM and PM, and remember that a time after midnight belongs to the next calendar date.
- Place. Give the city with its region and country. There are many Springfields.
- The preview. Before ordering, make the map in the free night sky preview and see whether the Moon matches what you remember. If you both remember a full Moon over the lake and the preview shows a thin crescent, check the date again.
Questions
Can I make a star map for a daytime wedding?
Yes. The map shows every star above the horizon at that minute, where it stood behind the daylight, and marks the Sun. If you prefer a night sky, use an evening time from the same day, such as the reception.
Which city should we choose if we met online?
Choose the place that means the most to you both: usually the city where you first met in person, or where one of you was when you first talked. You can also make one map for each city (two maps).
Does the map show the Moon if it had already set?
No. The map shows only what was above the horizon. The Moon section of the print still shows its shape, age and percent lit for that date.
Does a star map say anything about whether we are a good match?
No. A star map records where the stars, the Moon and the planets were at one moment. It is a calculated keepsake, not a prediction or a reading.
About this article
The couple in the examples is fictional. The values are calculated with the same software and city coordinates as the preview and checked against Swiss Ephemeris. Heights above the horizon are given as on the print, without the small lift that the air adds near the horizon.
The English text of this article was written with AI assistance. The positions, heights, counts and calendar values in the examples are calculated by our software, not generated by AI.