This calendar shows all 12 months of 1998 with ISO 8601 week numbers (weeks start on Monday).
Hover over any date to see the Unix timestamps for the start and end of that day in UTC or local time. Click a date to pin the popup and copy individual timestamps to the clipboard. Use the toggles to switch between seconds and milliseconds.
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Seconds Milliseconds
UTC Local time
January Wk Mo Tu We Th Fr Sa Su 1 29 30 31 1 2 3 4 2 5 6 7 8 9 10 11 3 12 13 14 15 16 17 18 4 19 20 21 22 23 24 25 5 26 27 28 29 30 31 1
February Wk Mo Tu We Th Fr Sa Su 5 26 27 28 29 30 31 1 6 2 3 4 5 6 7 8 7 9 10 11 12 13 14 15 8 16 17 18 19 20 21 22 9 23 24 25 26 27 28 1
March Wk Mo Tu We Th Fr Sa Su 9 23 24 25 26 27 28 1 10 2 3 4 5 6 7 8 11 9 10 11 12 13 14 15 12 16 17 18 19 20 21 22 13 23 24 25 26 27 28 29 14 30 31 1 2 3 4 5
April Wk Mo Tu We Th Fr Sa Su 14 30 31 1 2 3 4 5 15 6 7 8 9 10 11 12 16 13 14 15 16 17 18 19 17 20 21 22 23 24 25 26 18 27 28 29 30 1 2 3
May Wk Mo Tu We Th Fr Sa Su 18 27 28 29 30 1 2 3 19 4 5 6 7 8 9 10 20 11 12 13 14 15 16 17 21 18 19 20 21 22 23 24 22 25 26 27 28 29 30 31
June Wk Mo Tu We Th Fr Sa Su 23 1 2 3 4 5 6 7 24 8 9 10 11 12 13 14 25 15 16 17 18 19 20 21 26 22 23 24 25 26 27 28 27 29 30 1 2 3 4 5
July Wk Mo Tu We Th Fr Sa Su 27 29 30 1 2 3 4 5 28 6 7 8 9 10 11 12 29 13 14 15 16 17 18 19 30 20 21 22 23 24 25 26 31 27 28 29 30 31 1 2
August Wk Mo Tu We Th Fr Sa Su 31 27 28 29 30 31 1 2 32 3 4 5 6 7 8 9 33 10 11 12 13 14 15 16 34 17 18 19 20 21 22 23 35 24 25 26 27 28 29 30 36 31 1 2 3 4 5 6
September Wk Mo Tu We Th Fr Sa Su 36 31 1 2 3 4 5 6 37 7 8 9 10 11 12 13 38 14 15 16 17 18 19 20 39 21 22 23 24 25 26 27 40 28 29 30 1 2 3 4
October Wk Mo Tu We Th Fr Sa Su 40 28 29 30 1 2 3 4 41 5 6 7 8 9 10 11 42 12 13 14 15 16 17 18 43 19 20 21 22 23 24 25 44 26 27 28 29 30 31 1
November Wk Mo Tu We Th Fr Sa Su 44 26 27 28 29 30 31 1 45 2 3 4 5 6 7 8 46 9 10 11 12 13 14 15 47 16 17 18 19 20 21 22 48 23 24 25 26 27 28 29 49 30 1 2 3 4 5 6
December Wk Mo Tu We Th Fr Sa Su 49 30 1 2 3 4 5 6 50 7 8 9 10 11 12 13 51 14 15 16 17 18 19 20 52 21 22 23 24 25 26 27 53 28 29 30 31 1 2 3
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Also see : Week numbers for 1998 | Day numbers for 1998