CRN0

JST to SAST cron converter

SAST is currently 7 hours behind JST. Convert SAST to JST

UTC+9
UTC+2
0 2 * * *

At 02:00 every day in Johannesburg.

Show timeline and next runs
Tokyo
00061218
00061218
Johannesburg
Each amber mark is a run time. The top strip shows Tokyo local time and the bottom strip shows Johannesburg 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 Tokyo.

TokyoJohannesburg

Examples

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

Questions

How do I convert a cron expression from JST to SAST?

SAST is currently 7 hours behind JST. Subtract 7 hours to the hour field, and shift the day-of-week if the time crosses midnight. For example, 0 9 * * 1-5 (weekdays at 09:00 JST) becomes 0 2 * * 1-5 in SAST.

What is the time difference between JST and SAST?

Japan Standard Time is UTC+9 and South Africa Standard Time is UTC+2. Right now sAST is currently 7 hours behind JST.

Does daylight saving time affect JST to SAST cron conversion?

Neither JST nor SAST observes daylight saving time, so the 7 hours difference stays the same all year.

What is midnight JST in SAST cron?

Midnight in JST (0 0 * * *) is 0 17 * * * in SAST, on the previous day.

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