The Japanese word for today is
今日

きょう - kyō

Japanese Definition

today
1. 名詞. きょう。
Where is today's newspaper?
2. 名詞. 現在。現代。
3. 副詞. 今日中に。
It's rainy today.
4. 副詞. 現在では。現代では
Today, the environmental pollution is regarded as a serious problem.

今日
1. Usage: * The kanji spelling is an (obor, ja, zh, 今日).
2. n. today, this day
(synonyms, ja, 本日, tr=honjitsu)
3. n. nowadays
(synonyms, ja, 此の頃, tr=konogoro, 現在, tr2=genzai, 現代, tr3=gendai)
4. n. Same as , こんにち, tr=konnichi above
5. n. today, this day
6. n. nowadays