1 winter: 7 november—3 february 1.1 season 1.2 sky , heavens 1.3 earth 1.4 humanity 1.5 observances 1.6 plants winter: 7 november—3 february the season winter (fuyu), using winter in haiku adds sense of chilliness (literally , figuratively), bleakness, , seclusion poem. november (shimotsuki or jūichigatsu), december (shiwasu or jūnigatsu) , january (mutsuki or ichigatsu) cold (samushi) , coldness (samusa). the sky , heavens smog (sumoggu) -inversion layers concentrate smog on city during winter the earth humanity snow-viewing (yukimi) - late winter (january) - popular group activity in japan. first snow (hatsu yuki) mid-winter, snow (yuki) late winter, , ice (kōri) late winter. fugu soup (fugujiru), anglerfish or sea-devil stew (ankō nabe), oyster (kaki) - seasonal dishes. calendar vendor (koyomiuri) - preparation new year. observances christmas - modern kigo. wasn t used in edo period, when christianity forbidden. new year s eve (ōmisoka or toshi no yo, literary end of year ), , ne...