A chart of the moment answers a narrow question: where are the planets and local chart angles at this minute? It can be useful for looking at the geometry of the current sky. It is not a birth chart, because the time and place are not a person's recorded birth details.
One moment, several places
The Sun, Moon, and planetary positions in this tool are apparent geocentric tropical ecliptic longitudes. Changing from Manila to London at the same UTC minute leaves those longitudes fixed. The Earth rotates under the sky, so each location has a different eastern horizon and meridian. The Ascendant and Midheaven therefore change with latitude and longitude; houses follow the selected division rule.
Check the UTC minute
On opening or refreshing the tool, the browser clock is rounded down to the current UTC minute and passed to the local chart engine. It is not continuously animated. If you leave the page open, press Refresh to calculate a later minute. The chart names the exact UTC minute and actual house system used, including a Porphyry fallback if Placidus cannot be calculated at a high latitude.
Three different reference pages
Use Chart of the Moment for a local horizon now. Use the current-planets lookup for a date-based global reference without houses. Use the birth-chart calculator for a recorded person's time, place, and historical civil UTC offset. The historical ephemeris looks up an entered UTC minute but does not calculate local houses.
Method and limits
The browser uses the site's bundled Astronomy Engine 2.1.19 through the birth-chart engine for apparent geocentric positions and local angles. The calculated longitude is tropical, not sidereal. True or mean lunar nodes are optional and use the site's separately documented methods. A phone or computer with a wrong clock will show the wrong current minute. Coordinate errors change angles; close-to-boundary results warrant checking the location and time.
These are feature and terminology references. This website uses its own calculations and presentation.