# TIME_CONSTANTS

```ts
const TIME_CONSTANTS: object;
```

Defined in: [packages/synapse-sdk/src/utils/constants.ts:95](https://github.com/FilOzone/synapse-sdk/blob/1d6c4b9fe34534bf1087dfe41491b72be0b46858/packages/synapse-sdk/src/utils/constants.ts#L95)

Time and size constants

## Type Declaration

### DAYS\_PER\_MONTH

```ts
readonly DAYS_PER_MONTH: 30n = 30n;
```

Number of days in a month (used for pricing calculations)

### DEFAULT\_LOCKUP\_DAYS

```ts
readonly DEFAULT_LOCKUP_DAYS: 30n = 30n;
```

Default lockup period in days

### EPOCH\_DURATION

```ts
readonly EPOCH_DURATION: 30 = 30;
```

Duration of each epoch in seconds on Filecoin

### EPOCHS\_PER\_DAY

```ts
readonly EPOCHS_PER_DAY: 2880n = 2880n;
```

Number of epochs in a day (24 hours * 60 minutes * 2 epochs per minute)

### EPOCHS\_PER\_MONTH

```ts
readonly EPOCHS_PER_MONTH: 86400n = 86400n;
```

Number of epochs in a month (30 days)