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

> val DEFAULT_ FIRST_ BLOCK_ TIME: integer = 1577836800000 The default value for the timestamp of the first block in the blockchain, in milliseconds. Equal t

Source: https://docs.chromia.com/pages/rell-stdlib/-rell-system-library/rell.test/-d-e-f-a-u-l-t_-f-i-r-s-t_-b-l-o-c-k_-t-i-m-e/

PROPERTY

# DEFAULT\_FIRST\_BLOCK\_TIME

```signature
val DEFAULT_FIRST_BLOCK_TIME: integer = 1577836800000
```

The default value for the timestamp of the first block in the blockchain, in milliseconds. Equal to
`2020-01-01 00:00:00 UTC`, or `1577836800000`.

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.

**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/-d-e-f-a-u-l-t_-f-i-r-s-t_-b-l-o-c-k_-t-i-m-e.html)Generated API reference, mirrored from the live docs