Strong's #2540: kairos (pronounced kahee-ros')
 of uncertain affinity; an occasion, i.e. set or proper time:--X always, opportunity, (convenient, due) season, (due, short, while) time, a while. Compare 5550.
Thayer's Greek Lexicon:
 ́ 
 
  kairos 
 
 1) due measure
 2) a measure of time, a larger or smaller portion of time, hence:
 
 2a) a fixed and definite time, the time when things are brought to crisis, the decisive epoch waited for
 2b) opportune or seasonable time
 2c) the right time
 2d) a limited period of time
 2e) to what time brings, the state of the times, the things and events of time
 
  Part of Speech: noun masculine
Relation: of uncertain affinity
  Citing in TDNT: 3:455, 389
 
Usage:
This word is used 87 times:
Matthew 8:29: "art thou come hither to torment us before  the time?"
Matthew 11:25: "At that  time Jesus answered and said, I thank thee,"
Matthew 12:1: "At that  time Jesus went on the sabbath day through"
Matthew 13:30: "and in the  time of harvest I will say to the reapers,"
Matthew 14:1: "At that  time Herod the tetrarch heard of the"
Matthew 16:3: "ye not discern the signs of the  times?"
Matthew 21:34: "And when the  time of the fruit drew near, he sent"
Matthew 21:41: "fruits in their  seasons."
Matthew 24:45: "them meat in  due season?"
Matthew 26:18: "Master saith, My  time is at hand; I will keep the"
Mark 1:15: "And saying, The  time is fulfilled, and the kingdom"
Mark 10:30: "a hundredfold now in this  time, houses, and brethren,"
Mark 11:13: "nothing but leaves; for  the time of figs was not"
Mark 12:2: "And at the  season he sent to the husbandmen a servant,"
Mark 13:33: "not when the  time is."
Luke 1:20: "shall be fulfilled in their  season."
Luke 4:13: "he departed from him  for a season."
Luke 8:13: "root, which for  a while believe, and in time"
Luke 8:13: "believe, and in  time of temptation fall away."
Luke 12:42: "to give them their portion of meat in  due season?"
Luke 12:56: "is it that ye do not discern this  time?"
Luke 13:1: "were present at that  season some that told him of"
Luke 18:30: "manifold more in this  present time, and in the world"
Luke 19:44: "one stone upon another; because thou knewest not the  time"
Luke 20:10: "And at  the season he sent a servant to the husbandmen,"
Luke 21:8: "am Christ; and the  time draweth near: go ye not therefore"
Luke 21:24: "of the Gentiles, until  the times of the Gentiles be fulfilled."
Luke 21:36: "Watch ye therefore, and pray  always, that ye may be accounted worthy"
John 5:4: "For an angel went down  at a certain season into the pool,"
John 7:6: "said unto them, My  time is not yet come: but your"
John 7:6: "come: but your  time is always ready."
John 7:8: "unto this feast; for my  time is not yet full come."
Acts 1:7: "to know the times or  the seasons, which the Father hath put"
Acts 3:19: "sins may be blotted out, when  the times of refreshing shall come from"
Acts 7:20: "In which  time Moses was born, and was exceeding fair,"
Acts 12:1: "Now about that  time Herod the king stretched forth"
Acts 13:11: "the sun for  a season. And"
Acts 13:11: "the sun for  a season. And"
Acts 14:17: "from heaven, and fruitful  seasons, filling our hearts with food"
Acts 17:26: "of the earth, and hath determined  the times before appointed, and the bounds"
Acts 19:23: "And the same  time there arose no small stir"
Acts 24:25: "Go thy way for this time; when I have  a convenient season, I will call for thee."
Romans 3:26: "declare, I say, at this  time his righteousness: that he might be"
Romans 5:6: "yet without strength, in  due time Christ died for the ungodly."
Romans 8:18: "the sufferings of this present  time are not worthy to be compared with the"
Romans 9:9: "of promise, At this  time will I come, and Sarah shall have"
Romans 11:5: "then at this present  time also there is a remnant according"
Romans 13:11: "that, knowing the  time, that now it is high time to"
1 Corinthians 4:5: "judge nothing before  the time, until the"
1 Corinthians 7:5: "except it be with consent for  a time, that ye may give yourselves to fasting"