There are 2 types of Booking Calendar translations.
1) One list of translations located at WordPress repository. Please note, these translations at your website should be located at: "../wp-content/languages/plugins/" folder.
2) Another list of translations located at the Booking Calendar website. You can download the original PO translations files from here. Please note, these translations at your website should be located at: "../wp-content/plugins/{Booking Calendar Folder}/languages/" folder.
By default Booking Calendar plugin try to use translations from "../wp-content/languages/plugins/",
if failed (not exist), then try to use translations from "../wp-content/plugins/{Booking Calendar Folder}/languages/" folder.
This behavior is possible to change at the Booking > Settings General page in the Translation section.
You can check instruction how to make or update local plugin translation files at this page.
Translations available in paid versions of Booking Calendar:
German 99.35% [ 2459 / 2475 ], fuzzy 14, not translated 2
French (France) 95.5% [ 2355 / 2466 ], fuzzy 60, not translated 51
Dutch 95.07% [ 2353 / 2475 ], fuzzy 67, not translated 55
Hungarian 92.24% [ 2283 / 2475 ], fuzzy 119, not translated 73
Korean 92.2% [ 2282 / 2475 ], fuzzy 115, not translated 78
Spanish (Spain) 84.31% [ 2079 / 2466 ], fuzzy 176, not translated 211
Portuguese (Brazil) 79.6% [ 1970 / 2475 ], fuzzy 304, not translated 201
Greek 79.28% [ 1955 / 2466 ], fuzzy 312, not translated 199
Turkish 78.55% [ 1937 / 2466 ], fuzzy 326, not translated 203
Danish 77.9% [ 1921 / 2466 ], fuzzy 344, not translated 201
Italian 75.83% [ 1870 / 2466 ], fuzzy 239, not translated 357
Spanish (Mexico) 72.42% [ 1786 / 2466 ], fuzzy 424, not translated 256
Finnish 72.02% [ 1776 / 2466 ], fuzzy 430, not translated 260
Polish 71.7% [ 1768 / 2466 ], fuzzy 425, not translated 273
Romanian 71.49% [ 1763 / 2466 ], fuzzy 431, not translated 272
Swedish 71.05% [ 1752 / 2466 ], fuzzy 446, not translated 268
Norwegian (Bokmål) 69.95% [ 1725 / 2466 ], fuzzy 460, not translated 281
Russian 69.74% [ 1726 / 2475 ], fuzzy 692, not translated 57
Arabic 69.02% [ 1702 / 2466 ], fuzzy 479, not translated 285
Slovenian 68% [ 1677 / 2466 ], fuzzy 490, not translated 299
Chinese (Taiwan) 65.82% [ 1623 / 2466 ], fuzzy 542, not translated 301
Bulgarian 65.53% [ 1616 / 2466 ], fuzzy 519, not translated 331
Portuguese (Portugal) 65.04% [ 1604 / 2466 ], fuzzy 526, not translated 336
Chinese (China) 63.3% [ 1561 / 2466 ], fuzzy 530, not translated 375
Thai 61.6% [ 1519 / 2466 ], fuzzy 585, not translated 362
Hebrew 61.27% [ 1511 / 2466 ], fuzzy 573, not translated 382
Ukrainian 61.01% [ 1510 / 2475 ], fuzzy 576, not translated 389
Japanese 60% [ 1485 / 2475 ], fuzzy 105, not translated 885
Galician 59.94% [ 1478 / 2466 ], fuzzy 626, not translated 362
Slovak 55.6% [ 1371 / 2466 ], fuzzy 559, not translated 536
Catalan 54.34% [ 1340 / 2466 ], fuzzy 580, not translated 546
Croatian 53.97% [ 1331 / 2466 ], fuzzy 583, not translated 552
Czech 47.61% [ 1174 / 2466 ], fuzzy 643, not translated 649
Chinese (Hong Kong) 28.71% [ 708 / 2466 ], fuzzy 57, not translated 1701