輝煌帝[kikoutei] poetic word for the sun
皇帝[koutei] emperor
時の帝[tokinomikado] emperor of the time
女帝[jotei] empress
上帝[joutei] Shangti

先帝[sentei] the late emperor
帝位[teii] the throne
帝威[teii] imperial majesty
帝王[teiou] sovereign

御誕生日おめでとうございます[otanjoubiomedetougozaimasu] Happy Birthday
また明日[mataashita] see you tomorrow
旭日[kyokujitsu] rising sun
旭日昇天[kyokujitsushouten] full of vigor and vitality (like the rising sun) (vigour)
或日[aruhi] one day (e.g. "one day while studying, ..")

一日の長[ichijitsunochou] superiority
一日一日[ichinichiichinichi] gradually
一日一夜[ichinichiichiya] all day and night
一日増しに[ichinichimashini] day by day
一日置き[ichinichioki] every other day