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 | 581.72 |
| 10,000 JPY | 5,817.20 |
| 100,000 JPY | 58,172 |
| 1 million JPY | 581,720 |
| 10 million JPY | 5,817,200 |
| 100 million JPY | 58,172,000 |
| 2018-01-23 | 0.57573 |
| 2018-01-24 | 0.57899 |
| 2018-01-25 | 0.58218 |
| 2018-01-26 | 0.58163 |
| 2018-01-27 | 0.58172 |
| 2018-01-28 | 0.58166 |
| 2018-01-29 | 0.58325 |
| 2018-01-30 | 0.58429 |
| 2018-01-31 | 0.58401 |