CRN0

ACST to KST cron converter

KST is currently 1 hour 30 minutes behind ACST. Convert KST to ACST

UTC+10:30
UTC+9
30 7 * * *

At 07:30 every day in Seoul.

Show timeline and next runs
Adelaide
00061218
00061218
Seoul
Each amber mark is a run time. The top strip shows Adelaide local time and the bottom strip shows Seoul local time, lined up so the same moment sits on the same vertical line. Shaded areas are night hours.

Same moment as “at 09:00 every day” in Adelaide.

AdelaideSeoul

Examples

ACSTKST
0 9 * * *
30 7 * * *
0 9 * * 1-5
30 7 * * 1-5
*/15 * * * *
*/15 * * * *
0 0 * * *
30 22 * * *
30 2 * * 0
0 1 * * 0
0 0 1 * *
30 22 31 * *
0 */6 * * *
30 4-23/6 * * *
0 17 * * 5
30 15 * * 5
Every hour of the day
0 0 * * *30 22 * * *day before
0 1 * * *30 23 * * *day before
0 2 * * *30 0 * * *
0 3 * * *30 1 * * *
0 4 * * *30 2 * * *
0 5 * * *30 3 * * *
0 6 * * *30 4 * * *
0 7 * * *30 5 * * *
0 8 * * *30 6 * * *
0 9 * * *30 7 * * *
0 10 * * *30 8 * * *
0 11 * * *30 9 * * *
0 12 * * *30 10 * * *
0 13 * * *30 11 * * *
0 14 * * *30 12 * * *
0 15 * * *30 13 * * *
0 16 * * *30 14 * * *
0 17 * * *30 15 * * *
0 18 * * *30 16 * * *
0 19 * * *30 17 * * *
0 20 * * *30 18 * * *
0 21 * * *30 19 * * *
0 22 * * *30 20 * * *
0 23 * * *30 21 * * *

Questions

How do I convert a cron expression from ACST to KST?

KST is currently 1 hour 30 minutes behind ACST. Subtract 1 hour 30 minutes to the hour and minute field, and shift the day-of-week if the time crosses midnight. For example, 0 9 * * 1-5 (weekdays at 09:00 ACST) becomes 30 7 * * 1-5 in KST.

What is the time difference between ACST and KST?

Australian Central Time is UTC+9:30 / UTC+10:30 and Korea Standard Time is UTC+9. Right now kST is currently 1 hour 30 minutes behind ACST.

Does daylight saving time affect ACST to KST cron conversion?

ACST observes daylight saving time, so the difference between ACST (UTC+9:30 / UTC+10:30) and KST (UTC+9) changes during the year. Re-check your converted cron after each DST change.

What is midnight ACST in KST cron?

Midnight in ACST (0 0 * * *) is 30 22 * * * in KST, on the previous day.

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