{"uid":"cap_teY3SUhvSCwpJ7LimfiXl","slug":"cron-next-run-calculator-c4f99f4a","name":"Cron Next-Run Calculator","description":"Cron next-run calculator — generate future times for bounded five-field POSIX cron schedules in IANA timezones with explicit daylight-saving (DST) policies.","url":"https://schedule-tools.use.x402atlas.com/cron-next","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_gRwDkOaI8v3uOsy0j9nqs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates future scheduled run times for POSIX five-field cron expressions, respecting IANA timezones and configurable daylight-saving time (DST) policies.","exampleAgentPrompt":"What are the next 5 run times for the cron expression '0 8 * * MON-FRI' in the America/Chicago timezone, skipping any DST-gap times?","exampleUseCases":[{"title":"Preview nightly batch job schedule","prompt":"I have a cron job set to '0 2 * * *' running in Europe/Berlin — can you show me the next 7 fire times so I can check whether it shifts around the DST changeover?"},{"title":"Verify weekly report cron timing","prompt":"My weekly report cron is '0 9 * * 1' in America/New_York — give me the next 4 run times so I can confirm it always fires at 9am and not 8am after the clocks change."},{"title":"Debug irregular cron pattern","prompt":"I'm not sure when '15 14 1,15 * *' will next fire in Asia/Tokyo — can you calculate the next 3 occurrences so I can plan around them?"}],"resultDescription":"Returns a list of future fire times in RFC 3339 format for the given cron expression, honoring the specified IANA timezone and DST handling policy (e.g., skip, repeat, or error on ambiguous/gap times). Each timestamp is explicitly offset-qualified.","failureModes":["Invalid cron expression (non-five-field or unsupported syntax) returns a validation error","Unrecognized IANA timezone string returns an error","Requested count exceeds bounded maximum returns an error","Start datetime in a DST gap with strict policy returns an error","Malformed request body returns HTTP 400"],"whenToPreferThis":"Use this endpoint when you need precise, timezone-aware future execution times for POSIX cron schedules — especially when DST transitions must be handled explicitly (skip, duplicate, or error). Prefer this over generic date arithmetic when the input is a cron string rather than an interval or RRULE recurrence pattern. For iCalendar RRULE-based schedules, use the sibling RRULE expander instead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:36:10.757Z","isFirstParty":false}