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Argo Cron Workflow Timezone Quick Fix - Timezone Handling

DodaTech Updated 2026-06-26 1 min read

Argo CronWorkflow timezone handling ensures workflows run at the correct local time. Missing or incorrect timezone causes scheduling drift across DST changes. This guide covers the fix.

Quick Fix

Wrong

spec:
  schedule: "0 9 * * 1-5"

No timezone specified means Argo uses UTC. A workflow intended to run at 9 AM EST actually runs at 9 AM UTC (5 AM EST). During DST, the difference becomes 4 hours.

spec:
  schedule: "0 9 * * 1-5"
  timezone: "America/New_York"
# Expected output after applying the fix
# Workflow runs at 9:00 AM Eastern Time
# Automatically adjusts for DST (UTC-5 or UTC-4)
# Weekdays only (Monday-Friday)
# Schedules consistent year-round

Prevention

  • Always specify timezone using IANA timezone database names
  • Use America/New_York, Europe/London, Asia/Tokyo formats
  • Avoid UTC offsets like UTC+5 — use Asia/Karachi instead
  • Test timezone behavior around DST transition dates
  • Document expected local time in CronWorkflow metadata

DodaTech Tools

Doda Browser's timezone converter shows workflow schedule across timezones. DodaZIP archives timezone configurations for global team coordination. Durga Antivirus Pro monitors schedule anomalies at DST boundaries.

FAQ

Does Argo handle Daylight Saving Time transitions correctly?

Yes, with proper IANA timezone names, Argo automatically adjusts for DST. The cron expression uses local time, and DST transitions are handled at the application level. ||| What timezone format does Argo accept? IANA timezone database names like America/Chicago, Europe/Berlin, Asia/Shanghai. UTC offsets are not supported for reliable DST handling. ||| How do I verify the current timezone setting? Check the CronWorkflow status: kubectl get cronwf <name> -o yaml. The spec.timezone field shows the configured timezone. The controller logs also show timezone info.

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