[Home](./index.md) > [bitburner](./bitburner.md) > [HackingFormulas](./bitburner.hackingformulas.md) > [weakenTime](./bitburner.hackingformulas.weakentime.md)
## HackingFormulas.weakenTime() method
Calculate weaken time.
Signature:
```typescript
weakenTime(server: Server, player: Person): number;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| server | [Server](./bitburner.server.md) | Server info from [getServer](./bitburner.ns.getserver.md) |
| player | [Person](./bitburner.person.md) | Player info from [getPlayer](./bitburner.ns.getplayer.md) |
Returns:
number
The calculated weaken time.