{"uid":"cap_W4Qkqr_3pRwCTCiuNXluC","slug":"cron-expression-next-run-calculator-ef65f573","name":"Cron Expression Next Run Calculator","description":"Next run times (in UTC) of a standard 5-field cron expression (minute hour day month weekday; ranges, lists, steps and names like MON or JAN supported). Use to check a schedule before deploying it.","url":"https://agent-data-tools.revmesh2074.workers.dev/cron/next?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["expr"],"properties":{"expr":{"type":"string","description":"The cron expression"},"from":{"type":"string","description":"Start time, ISO (default now)"},"count":{"type":"integer","description":"How many runs (1-50, default 5)"}}},"responseSchema":{"type":"object","properties":{"expr":{"type":"string"},"next":{"type":"array","items":{"type":"string"}}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USD","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_3RV9VH2XYCU-_yiMDpyoZ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates the next N scheduled run times for a given cron expression, starting from a specified time","exampleAgentPrompt":"What are the next 5 run times for the cron expression '*/15 9-17 * * MON-FRI', starting from now?","exampleUseCases":[{"title":"Preview weekday job schedule","prompt":"I have a cron job set to run every 15 minutes during business hours on weekdays — the expression is '*/15 9-17 * * MON-FRI'. Can you show me the next 5 times it'll fire starting from right now?"},{"title":"Plan ahead for monthly batch job","prompt":"My scheduled task uses the cron expression '0 2 1 * *'. Show me the next 3 times it will run starting from today so I can plan around the downtime."},{"title":"Verify cron timing before deployment","prompt":"Before I deploy this scheduler, can you tell me the next 10 run times for the cron expression '0 8 * * MON', starting from 2026-01-01T00:00:00Z?"}],"resultDescription":"Returns a JSON object containing the original cron expression and an array of ISO 8601 timestamp strings representing the next N scheduled run times, computed from the specified (or current) start time.","failureModes":["Invalid cron expression returns an error — the expression may be malformed or use unsupported syntax","Count out of range (must be 1–50) results in a validation error","Invalid ISO date string in the 'from' parameter causes a parse error","Missing required 'expr' query parameter returns a bad request error"],"whenToPreferThis":"Use this endpoint when you need to quickly compute upcoming cron job fire times without setting up a local cron parser library. Ideal for agents helping users verify or preview cron schedules, plan around scheduled tasks, or validate expressions before deployment. Costs only $0.001 USDC per call with no API key required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T12:38:17.652Z","isFirstParty":false,"canonicalSlug":"cron-expression-next-run-calculator-ef65f573"}