Cron Expression Parser & Next Runs

hipersoft/cron-next-runs

Validate cron expressions, explain them in plain English, and compute the next N run times in any timezone. Sanity-check schedules across many jobs at once.

Run this scraper →See the API call

Total users

Monthly users

Total runs

Per cron parsed

$0.002

Last rebuilt

Oct 26, 2026

Overview

Validate cron expressions, explain them in plain English, and list their next run times — in any timezone, for many expressions at once. Sanity-check schedules across all your jobs before they go live.

Cron Expression Parser & Next Runs input — configure the options in the Apify Console

What it does

Validates each cron expression and flags bad ones.
Explains it in plain English (e.g. "At 09:00, Monday through Friday").
Computes the next N run times in your chosen IANA timezone.

Use cases

DevOps — audit cron schedules across many jobs and timezones.
Docs & dashboards — turn cron strings into human-readable descriptions.
Debugging — confirm exactly when a schedule will fire next.

Input

{ "expressions": ["0 9 * * 1-5", "*/15 * * * *"], "timezone": "America/New_York", "count": 5 }

Field	Type	Description
`expressions`	array	Cron expressions to validate and expand.
`timezone`	string	IANA timezone (e.g. `UTC`, `Asia/Singapore`).
`count`	integer	Upcoming run times to list per expression (1–50).

Output

Cron Expression Parser & Next Runs output — the results as a clean dataset

{ "expression": "0 9 * * 1-5", "valid": true, "humanText": "At 09:00 AM, Monday through Friday", "nextRuns": ["2026-08-17T13:00:00.000Z", "..."], "timezone": "America/New_York" }

Output schema

Field	Type	Description
`expression`	string	The cron expression.
`valid`	boolean	Whether it parsed successfully.
`humanText`	string	Plain-English description.
`nextRuns`	array	Next run times (ISO).

FAQ

Which cron syntax is supported? Standard 5-field cron plus common extensions (steps, ranges, lists).

Can I automate it? Yes — via integrations on the Apify platform and the Apify API.

Notes

Original clean-room implementation.

Input

Field	Type	Description
`expressions` required Cron expressions	array	One or more cron expressions to validate and expand, e.g. "0 9 * * 1-5".
`timezone` Timezone	string	IANA timezone for the computed run times, e.g. "UTC", "America/New_York", "Asia/Singapore". Default: `"UTC"`
`count` Next runs	integer	How many upcoming run times to list per expression (1–50). Default: `5`

API

curl -X POST "https://api.apify.com/v2/acts/hipersoft~cron-next-runs/run-sync-get-dataset-items?token=$APIFY_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
  "expressions": [
    "0 9 * * 1-5",
    "*/15 * * * *"
  ]
}'

from apify_client import ApifyClient

client = ApifyClient("YOUR_APIFY_TOKEN")
run = client.actor("hipersoft/cron-next-runs").call(run_input={
    "expressions": [
        "0 9 * * 1-5",
        "*/15 * * * *"
    ]
})

for item in client.dataset(run["defaultDatasetId"]).iterate_items():
    print(item)

import { ApifyClient } from 'apify-client';

const client = new ApifyClient({ token: 'YOUR_APIFY_TOKEN' });
const run = await client.actor('hipersoft/cron-next-runs').call({
  "expressions": [
    "0 9 * * 1-5",
    "*/15 * * * *"
  ]
});

const { items } = await client.dataset(run.defaultDatasetId).listItems();
console.log(items);

Pricing

Event	Price	Paid plans from
Cron parsed One cron expression parsed and expanded	$0.002	$0.001

You pay only for what the run returns. Set a maximum cost per run and it stops cleanly at that limit.

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