CRN0

SGT to HST cron converter

HST is currently 18 hours behind SGT. Convert HST to SGT

UTC+8
UTC-10
0 15 * * *

At 15:00 every day in Honolulu.

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

SingaporeHonolulu

Examples

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

Questions

How do I convert a cron expression from SGT to HST?

HST is currently 18 hours behind SGT. Subtract 18 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 SGT) becomes 0 15 * * 0-4 in HST.

What is the time difference between SGT and HST?

Singapore Time is UTC+8 and Hawaii Time is UTC-10. Right now hST is currently 18 hours behind SGT.

Does daylight saving time affect SGT to HST cron conversion?

Neither SGT nor HST observes daylight saving time, so the 18 hours difference stays the same all year.

What is midnight SGT in HST cron?

Midnight in SGT (0 0 * * *) is 0 6 * * * in HST, on the previous day.

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