# last_block_time · Rell standard library · Chromia Docs (concept)

> val last_ block_ time: integer The timestamp of the most recently built block in the blockchain, in milliseconds. This is a Unix epoch timestamp , i.e. the

Source: https://docs.chromia.com/pages/rell-stdlib/-rell-system-library/rell.test/last_block_time/

PROPERTY

# last\_block\_time

```signature
val last_block_time: integer
```

The timestamp of the most recently built block in the blockchain, in milliseconds.

This is a [Unix epoch timestamp](https://en.wikipedia.org/wiki/Unix_time), i.e. the number of
milliseconds that have elapsed since midnight on 1st January 1970.

**Throws**

* `exception` — if there are no blocks in the blockchain (i.e. if the first block in the blockchain has yet to be built)

**See Also**

1. [`rell.test.block` - Rell Standard Library](https://docs.chromia.com/pages/rell-stdlib/-rell-system-library/rell.test/block/)

Since 0.13.3

[View this page on docs.chromia.com](https://docs.chromia.com/pages/rell-stdlib/-rell%20-system%20-library/rell.test/last_block_time.html)Generated API reference, mirrored from the live docs