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    BackMarch 1, 2026

    Best Time of Day to Send Cold Emails

    Heat map by day and hour. Timezone rules. Test your list.

    cold emailsend timetimingopen rate

    Open Rate Heat Map

    H = higher expected opens, L = lower. Recipient timezone.

    Day6-8am8-10am10am-12pm12-2pm2-4pm4-6pm
    Monday
    L
    H
    M
    L
    M
    L
    Tuesday
    L
    H
    M
    L
    M
    L
    Wednesday
    L
    H
    M
    L
    M
    L
    Thursday
    L
    H
    M
    L
    M
    L
    Friday
    L
    M
    M
    L
    L
    L

    Timezone Rules

    Send in their morning
    8-10am their time
    Top of inbox before meetings
    Avoid lunch hours
    Skip 12-2pm their time
    Emails buried by noon traffic
    Avoid Monday 6am
    Wait until Tuesday if unsure
    Monday inbox overload
    Friday afternoon
    Risky
    Mind on weekend

    Your list may differ. Local businesses, trades, and restaurants have different patterns than office workers. Track opens and replies; adjust send times accordingly.

    FAQ

    Is there a single best time to send cold emails?

    Most data points to Tuesday-Thursday, 8-10am in the recipient's timezone. Monday mornings are busy; Friday afternoons get ignored. Test your list; local businesses may differ from office workers.

    Does timezone matter for local businesses?

    Yes. A plumber in California sees your email at a different clock time than one in New York. If you're emailing nationwide, consider batching by timezone or sending in a window that works across multiple zones.

    Should I send on weekends?

    Generally no for cold outreach. Some owners check email Saturday morning; most don't. Weekday mornings have higher engagement.

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