Good morning, Singapore! :) #Sunrise 06:59, noon 13:04, sunset 19:09 UTC+8, April 18. Day length: 12h 9m.
<a href="http://enotty.dk/" rel="nofollow">cipni</a>
North Region
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CENTRAL WATER CATCHMENT
['good', 'morning', 'singapore', ':)', '#sunrise', '06:59', 'noon', '13:04', 'sunset', '19:09', 'utc', '8', 'april', '18', 'day', 'length', '12h', '9m']
['good', 'good', 'good', 'sunset', 'good', 'sunset', 'good']
good morning #sunrise noon sunset april length
good morning singapore sunrise 6 59 noon 13 4 sunset 19 9 utc 8 april 18 day length 12h 9m
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house."},
    ]

The given Twitter post does not mention any information related to maintenance report feedback for a public flat house. The post simply observes the time of sunrise and sunset on a particular day in Singapore. Therefore, the answer is that the post does not relate to a maintenance report feedback to public flat house.