It could be time to declare if you have effectively created all necessary sets and sequences while maintaining the low value of your unmelded cards. But in rummy, timing is crucial, and patience frequently produces better outcomesatta kingg.ins than snap judgments. It might be a good idea to wait to declare until you are more certain of your position if you feel that your opponents are about to declare themselves or if they are holding onto valuable cards that could harm you if they meld them first. It's crucial to strike a balance between aggression and caution; eventually, more successful results in rummy come from knowing when to declare and when to wait, which takes experience & practice.