For a Calamity-specific way to move the clock forward, use the Cosmolight. A bed is the vanilla alternative: sleeping speeds time up rather than skipping it instantly.
How to move time forward in Calamity
Use the Cosmolight
The Calamity Mod Wiki describes the Cosmolight as an item that drastically accelerates the passage of day and night. Use it when you want a Calamity-specific way to fast-forward the cycle. The available information does not establish its current recipe, progression unlock, or every restriction, so check the item’s current in-game recipe or the official Calamity Mod Wiki page for details that apply to your version.
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Sleep in a bed
If you have a bed, activate its head to lie down and sleep. According to the Official Terraria Wiki, sleeping makes time pass five times faster on Desktop, Console, and Mobile. Its example is one in-game hour taking 12 real-world seconds while sleeping. This accelerates the clock; it is not an instant night skip.
Which method should you use?
| Method | Effect | Availability |
|---|---|---|
| Bed | Time runs at five times normal speed while sleeping, according to the Official Terraria Wiki. | Vanilla Terraria option. |
| Cosmolight | Drastically accelerates day and night, according to the Official Calamity Mod Wiki. | Calamity item; current recipe and progression point are not established in the available source text. |
Choose a bed if you want a straightforward vanilla method and do not mind waiting for the clock to advance. Choose the Cosmolight for the mod’s faster day/night option, and consult the current item entry in your build if you need to find or craft it.
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What is known about the Cosmolight’s behavior?
The Calamity Mod Wiki’s indexed history says version 1.1.7.864 changed the item’s behavior so that using it during the day or night set time to the beginning of that period and cycled moon phases. That is a version-specific history note, not confirmation of the complete behavior in the current release.
Does Journey Mode change how quickly time passes?
Yes, the Official Terraria Wiki says a full in-game day can pass in 12 real-world seconds when using both a bed and Journey Mode. That figure applies to the combination; it is not the timing for sleeping in a bed alone. See the Official Terraria Wiki’s day and night cycle page.
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Are there boss, event, or multiplayer restrictions?
The cited information does not establish current restrictions involving bosses, events, or multiplayer. If the Cosmolight or sleeping does not work in a particular situation, check the current item entry and the rules for your version rather than assuming a universal restriction.
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