Good morning, Singapore! :) #Sunrise 06:58, noon 13:02, sunset 19:06 UTC+8, September 8. Day length: 12h 8m.
North Region
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CENTRAL WATER CATCHMENT
['good', 'morning', 'singapore', ':)', '#sunrise', '06:58', 'noon', '13:02', 'sunset', '19:06', 'utc', '8', 'september', '8', 'day', 'length', '12h', '8m']
['good', 'good', 'good', 'sunset', 'good', 'sunset', 'good']
good morning #sunrise noon sunset september length
good morning singapore sunrise 6 58 noon 13 2 sunset 19 6 utc 8 september 8 day length 12h 8m
  [
    {"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 shares a time of day and the length of day. Therefore, the answer is that the post does not relate to a maintenance report feedback to public flat house.