CRN0

CST to BRT cron converter

BRT is currently 3 hours ahead of CST. Convert BRT to CST

UTC-6
UTC-3
0 12 * * *

At 12:00 every day in São Paulo.

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

ChicagoSão Paulo

Examples

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

Questions

How do I convert a cron expression from CST to BRT?

BRT is currently 3 hours ahead of CST. Add 3 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 CST) becomes 0 12 * * 1-5 in BRT.

What is the time difference between CST and BRT?

Central Time is UTC-6 / UTC-5 and Brasília Time is UTC-3. Right now bRT is currently 3 hours ahead of CST.

Does daylight saving time affect CST to BRT cron conversion?

CST observes daylight saving time, so the difference between CST (UTC-6 / UTC-5) and BRT (UTC-3) changes during the year. Re-check your converted cron after each DST change.

What is midnight CST in BRT cron?

Midnight in CST (0 0 * * *) is 0 3 * * * in BRT.

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