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$ man astro-times

/astro-times(1)

agentutility / locale / astro-times
PRICE / CALL
$0.002
USDC · base mainnet · scheme: exact
METHOD
POST
CLUSTER
locale
CATEGORY
uncategorized
STATUS
live
NAME
astro-times sunrise-sunset / golden-hour / civil twilight / nautical dusk / day-length / solar-noon / dawn-dusk / astronomy times
SYNOPSIS
POST https://x402.org/v1/astro-times
     Content-Type: application/json
     X-PAYMENT:    <signed-transferWithAuthorization>

     { ... }
↳ first call → 402 Payment Required. Sign USDCtransferWithAuthorization, retry with theX-PAYMENT header.
DESCRIPTION

sunrise-sunset / golden-hour / civil twilight / nautical dusk / day-length / solar-noon / dawn-dusk / astronomy times. Computes sunrise, sunset, solar noon, day length (seconds), and civil / nautical / astronomical twilight begin & end for any latitude/longitude on any date. UTC ISO8601 strings. Wraps sunrise-sunset.org's public API — no auth, commercial-OK.

INPUTrequest schema
propertytypedescriptionreq?
latitudenumberDecimal degrees, range [-90, 90]. Positive north.required
longitudenumberDecimal degrees, range [-180, 180]. Positive east.required
datestringDate in YYYY-MM-DD. Defaults to today (UTC) if omitted.optional
OUTPUTresponse shape
fieldtypedescription
datestringISO date (YYYY-MM-DD) the astronomical times were computed for, echoed from the request.
locationstringLatitude/longitude pair the times were computed for, echoed from the request.
timesstringObject mapping each event (sunrise, sunset, solar_noon, day_length, civil/nautical/astronomical twilight begin & end) to UTC ISO8601 strings.
sourcestringUpstream data provider, sunrise-sunset.org's public API.
EXAMPLEStwo ways to call
EXAMPLE 1 · curl
curl -X POST https://x402.org/v1/astro-times \
  -H 'Content-Type: application/json' \
  -d '{ }'
first response = 402 Payment Required with payment requirements; sign + retry with X-PAYMENT.
EXAMPLE 2 · mcp
# install once
claude mcp add x402 --command "npx x402-deployer-mcp"

# then ask Claude Code:
# "use the astro-times tool to ..."
MCP server handles payment automatically — your coding agent just calls the tool by name.
METADATA
tags
localeastronomysunrise-sunsetgolden-hourtwilightsolar-noonday-length
methods
POST
cluster
locale
price
$0.002 USDC per call
ADJACENTother endpoints in locale
endpointdescriptionprice
country-infoCountry info / ISO 3166 / country code lookup / capital city lookup / currencies by country / population / region resolver.$0.002
earthquakes-recentEarthquake feed / seismic activity / USGS / recent quakes / quake monitor / tremor data / fault line activity / tsunami alerts.$0.002
holiday-lookupPublic holidays / bank holidays / national holidays / federal holidays / holiday calendar / per-country dates.$0.002
sunrise-sunsetSunrise sunset times.$0.002
timezone-convertTimezone convert / IANA tz conversion / DST-aware time arithmetic / wall-clock to UTC / convert across cities.$0.001
timezone-lookupTimezone lookup / IANA tz / UTC offset / DST status / local time at lat-lng / which timezone.$0.001
iata-airport-infoIATA / ICAO airport code lookup.$0.005
satellite-tileSatellite imagery tile / lat-lon to satellite PNG / Sentinel-2 tile API / cloud-free satellite snapshot / agent-callable satellite imagery.$0.005
SEE ALSO
agentutility(7) · locale(7) · x402(7) · mcp(7) · llms.txt · registry.json · bazaar.x402.org