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 | 6.59 |
| 10,000 JPY | 65.90 |
| 100,000 JPY | 659.00 |
| 1 million JPY | 6,590.00 |
| 10 million JPY | 65,900 |
| 100 million JPY | 659,000 |
| 2017-12-20 | 0.0066 |
| 2017-12-21 | 0.00659 |
| 2017-12-22 | 0.00659 |
| 2017-12-23 | 0.00659 |
| 2017-12-24 | 0.00659 |
| 2017-12-25 | 0.00659 |
| 2017-12-26 | 0.0066 |
| 2017-12-27 | 0.00659 |
| 2017-12-28 | 0.00659 |