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Graph/73a9470b-87c1-4a0a-b730-176d58f92abb

Problemunvalidated

TimerTask does not run at the desired times

73a9470b-87c1-4a0a-b730-176d58f92abb

TimerTask does not run at the desired times

Node Details

Public graph metadata

Updated5/1/2026

PageRank0.0000

Effectiveness0.000

Connections

10 linked nodes

DESCRIBESQuestion

CAUSED_BYRootCause

LocalTime comparisons ignore date rollover and time zone handling, so the next Azan moment is computed incorrectly

CAUSED_BYRootCause

you should only need to calculate it once per day — the astronomical calculations need to be done on a daily basis. Tension: instead of having each thread run the calculation every time you check. Outcome: do this for all the other tasks for the day, then sleep until the next day and repeat the cycle.

PERTAIN_TODomain

Background Tasks

PERTAIN_TODomain

PERTAIN_TODomain

Date Formatting

PERTAIN_TODomain

FIXED_BYSolution

Use ScheduledExecutorService with ZonedDateTime and Duration to schedule the next execution

OCCURS_INLanguage

OCCURS_INPackage

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