This date falls on a weekend. Interbank FX markets don't trade then, so this is Friday's closing rate carried forward, not a fresh weekend quote.
Rates aggregate roughly 84 central banks and reference sources (via the Frankfurter API), not only the ECB — the source can differ by currency and day.
| Amount | Value |
|---|---|
| 1,000 JPY | 6.58 |
| 10,000 JPY | 65.80 |
| 100,000 JPY | 658.00 |
| 1 million JPY | 6,580.00 |
| 10 million JPY | 65,800 |
| 100 million JPY | 658,000 |
| 2017-12-27 | 0.00659 |
| 2017-12-28 | 0.00659 |
| 2017-12-29 | 0.00658 |
| 2017-12-30 | 0.00658 |
| 2017-12-31 | 0.00658 |
| 2018-01-01 | 0.00658 |
| 2018-01-02 | 0.00657 |
| 2018-01-03 | 0.00656 |
| 2018-01-04 | 0.00656 |