How to interpret complex step intervals like */15 * * * * or 0 9 * * 1-5?

*/15 * * * * executes every 15 minutes of every hour of every day. 0 9 * * 1-5 executes at exactly 09:00 AM, Monday through Friday (business days). ConvertHub translates all syntax into clear, unambiguous natural English.

Does the cron decoder calculate exact upcoming run times in Pakistan Time (PKT)?

Yes! ConvertHub parses the cron interval and computes the exact upcoming 10 execution timestamps in both UTC and Pakistan Standard Time (PKT, UTC+5 / Asia/Karachi), along with human relative countdowns (e.g. "in 14 minutes").

Can I build cron schedules visually without memorizing syntax?

Yes! Our visual Crontab Builder lets you configure schedules using simple dropdowns (Minute intervals, Daily times, Weekly day checkboxes, or Monthly schedules) and instantly generates the verified cron syntax.

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Cron Expression Translator & Crontab Builder

Translate 5-field and 6-field cron expressions into plain English with visual schedule builder and upcoming run times.

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Cron Expression (5 or 6 Fields)

Plain English Translation

“Every 15 minutes, every hour, every day”

Minute*/15

Every 15 units

Range: 0–59

Hour*

Every value (no filter)

Range: 0–23

Day of Month*

Every value (no filter)

Range: 1–31

Month*

Every value (no filter)

Range: 1–12 or JAN–DEC

Day of Week*

Every value (no filter)

Range: 0–7 (0 or 7 = Sun) or SUN–SAT

Visual Schedule Builder & Presets

Upcoming 10 Scheduled Executions

Calculated chronologically across Pakistan Standard Time (PKT, UTC+5) and Coordinated Universal Time (UTC).

Run #	Countdown	🇵🇰 Pakistan Time (PKT)	🌐 UTC Timestamp
#1	in 4m 21s	Aug 31, 2026, 1:00:00 AM (PKT)	Sun, 30 Aug 2026 20:00:00 GMT
#2	in 19m 21s	Aug 31, 2026, 1:15:00 AM (PKT)	Sun, 30 Aug 2026 20:15:00 GMT
#3	in 34m 21s	Aug 31, 2026, 1:30:00 AM (PKT)	Sun, 30 Aug 2026 20:30:00 GMT
#4	in 49m 21s	Aug 31, 2026, 1:45:00 AM (PKT)	Sun, 30 Aug 2026 20:45:00 GMT
#5	in 1h 4m	Aug 31, 2026, 2:00:00 AM (PKT)	Sun, 30 Aug 2026 21:00:00 GMT
#6	in 1h 19m	Aug 31, 2026, 2:15:00 AM (PKT)	Sun, 30 Aug 2026 21:15:00 GMT
#7	in 1h 34m	Aug 31, 2026, 2:30:00 AM (PKT)	Sun, 30 Aug 2026 21:30:00 GMT
#8	in 1h 49m	Aug 31, 2026, 2:45:00 AM (PKT)	Sun, 30 Aug 2026 21:45:00 GMT
#9	in 2h 4m	Aug 31, 2026, 3:00:00 AM (PKT)	Sun, 30 Aug 2026 22:00:00 GMT
#10	in 2h 19m	Aug 31, 2026, 3:15:00 AM (PKT)	Sun, 30 Aug 2026 22:15:00 GMT

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How to Convert with Cron Expression Translator & Crontab Builder

Follow these 3 simple steps to complete your conversion in seconds.

Step 1 of 3

Paste or Upload Source Data

Paste your Cron Expression Translator & Crontab Builder code directly into the left editor pane or click Upload to select a file.

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Step 2 of 3

Configure Syntax & Dialect Options

Adjust indentation (2 or 4 spaces), toggle alphabetical key sorting, set SQL table name and dialect quotes, or pick a built-in template.

Step 3 of 3

Instant Result & Copy / Download

View formatted output in real time with line numbers and syntax highlighting. Click Copy or Download to save.

Unix Crontab Syntax & Execution Model Specification

Formula representation used for accurate calculations:

* * * * * = [Minute: 0-59] [Hour: 0-23] [Day of Month: 1-31] [Month: 1-12] [Day of Week: 0-7 (0/7=Sun)] Special Operators: * (Any), / (Step interval), , (Value list), - (Range)

Calculation Example: 0 9 * * 1-5 = At 09:00 AM, Monday through Friday | */15 * * * * = Every 15 minutes continuously

Common Crontab Schedules & Syntax Reference Matrix

Quick reference lookup table for standard unit calculations.

Comparative schedule matrix for standard Unix 5-field cron expressions.
Schedule / Intent	Standard Cron Expression	Execution Frequency
Every Minute	* * * * *	60 times per hour continuously
Every 5 Minutes	/5 * * *	12 times per hour (queue polling)
Every Hour	0 * * * *	At minute 0 of every hour
Daily at Midnight	0 0 * * *	00:00 UTC / PKT once every day
Weekdays at 9 AM	0 9 * * 1-5	Monday through Friday at 09:00
Weekly on Sunday	0 0 * * 0	Sunday at 00:00 midnight
1st of Every Month	0 0 1 * *	Monthly billing cycle at midnight

Frequently Asked Questions

Common questions and answers about Cron Expression Translator & Crontab Builder.

A standard Unix crontab expression contains 5 fields separated by spaces: [Minute: 0-59] [Hour: 0-23] [Day of Month: 1-31] [Month: 1-12] [Day of Week: 0-7]. An asterisk (*) represents every value, slashes (*/15) represent step intervals, and commas (1,15) represent discrete lists.