Validate a cron expression, say it in English and list its next runs in a time zone

GET/v1/cron

Validate a cron expression, say it in English and list its next runs in a time zone

expressionquery · stringREQUIRED

Five-field cron or a macro like @daily

e.g. 0 9 * * 1-5

tzquery · string

Zone the schedule runs in

e.g. America/New_York

fromquery · string

Instant to start from (default now)

e.g. string

countquery · integer

How many upcoming runs

e.g. 5

curl "https://api.apialmanac.com/v1/cron?expression=0+9+%2A+%2A+1-5" \
  -H "X-API-Key: YOUR_KEY"

import requests

r = requests.get("https://api.apialmanac.com/v1/cron?expression=0+9+%2A+%2A+1-5", headers={"X-API-Key": "YOUR_KEY"})
print(r.status_code, r.headers.get("X-Gw-Remaining"))
print(r.json())

const r = await fetch("https://api.apialmanac.com/v1/cron?expression=0+9+%2A+%2A+1-5", {
  headers: { "X-API-Key": "YOUR_KEY" }
});
console.log(r.status, r.headers.get("X-Gw-Remaining"));
console.log(await r.json());

{
  "expression": "0 9 * * 1-5",
  "normalized": "0 9 * * 1-5",
  "description": "At 09:00 Monday through Friday",
  "zone": "America/New_York",
  "from": "2026-10-09T15:00:00Z",
  "next": [
    {
      "utc": "2026-10-12T13:00:00Z",
      "local": "2026-10-12T09:00:00-04:00",
      "weekday": "Monday"
    },
    {
      "utc": "2026-10-13T13:00:00Z",
      "local": "2026-10-13T09:00:00-04:00",
      "weekday": "Tuesday"
    }
  ]
}