CRN0

IST to KST cron converter

KST is currently 3 hours 30 minutes ahead of IST. Convert KST to IST

UTC+5:30
UTC+9
30 12 * * *

At 12:30 every day in Seoul.

Show timeline and next runs
Mumbai
00061218
00061218
Seoul
Each amber mark is a run time. The top strip shows Mumbai 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 Mumbai.

MumbaiSeoul

Examples

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

Questions

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

KST is currently 3 hours 30 minutes ahead of IST. Add 3 hours 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 IST) becomes 30 12 * * 1-5 in KST.

What is the time difference between IST and KST?

India Standard Time is UTC+5:30 and Korea Standard Time is UTC+9. Right now kST is currently 3 hours 30 minutes ahead of IST.

Does daylight saving time affect IST to KST cron conversion?

Neither IST nor KST observes daylight saving time, so the 3 hours 30 minutes difference stays the same all year.

What is midnight IST in KST cron?

Midnight in IST (0 0 * * *) is 30 3 * * * in KST.

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