今日 means 'today' and is one of the most essential time words in Japanese.
READINGS:
- きょう: standard, everyday
- こんにち: formal, appears in こんにちは (hello)
TIME SEQUENCE:
USAGE:
Like other time nouns, 今日 typically appears without a particle: 今日行きます (I'll go today).
COMMON EXPRESSIONS:
- 今日の天気: today's weather
- 今日から: from today
- 今日まで: until today
- 今日中に: within today, by today
- 今日はありがとうございました: Thank you for today (polite parting phrase)