StealAnEgg.app
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Uses the timer shown in your game

Hatch Time Calculator

Turn a visible egg-growth timer into required batches, total completion time, and the number of eggs that fit into your available session.

Plan the current batch

Enter the current normal 1× growth time. If the timer you copied already includes X2, keep the selector at 1× to avoid applying it twice.

X2 is an estimate only when the live timer confirms the pass applies.

Session plan

2h 30m

5 sequential batches are needed.

Effective batch time30m 0s
Batches required5
Eggs fitting this session8 of 10
Estimated finish—

Test observed offline growth

Use the same Egg and server conditions. Record the remaining timer immediately before leaving and the first timer shown after returning.

One test describes one Egg, server, boost, and Pass state—not a universal offline rule.

Observed test

Offline progress observed

Progress was observed in this one test.

Timer decreased10m 0s
Online-equivalent decrease20m 0s
Observed timer efficiency50.0%
Estimated away time remaining40m 0s

Re-test after a server hop, update, different Egg, temporary boost, or Growth Speed change.

What this plan assumes

Every filled slot in one batch starts together, each batch uses the same visible growth time, and the next batch starts immediately. Server changes, missed collection, offline rules, temporary boosts, and eggs with different timers need separate plans.

Hatching & Growth Speed guideRead the evidence limits →Hatch logRecord each result →Game Pass valueCompare time saved →

Use this tool in 3 steps

  1. 1
    Copy the normal timer

    Enter the current visible 1× growth time. Do not apply X2 twice.

  2. 2
    Enter eggs and slots

    Use the eggs you plan to hatch and how many can grow at the same time.

  3. 3
    Check session capacity

    Compare total batches with the eggs that fit before your session ends.

Common questions

Does X2 change hatch odds?

No odds change is assumed. This planner estimates time only when the live timer confirms X2.

Can different egg timers share one plan?

Only when their visible growth times match. Otherwise use separate plans.

Does this include collection delays?

No. Reduce the available session if you cannot start each next batch immediately.

Does this prove eggs grow offline?

No. The offline test measures one before-and-after timer under the entered conditions. Repeat it before treating the result as a current rule.

Try another creature-collecting game

Build a team of creatures and survive the waves in PokeBonk Survivors, a free browser game.

Play PokeBonk Survivors ↗