Every day is split in 4 parts, Day, Night, Sunset and Sunrise with a total of 24 Hours each composed of 60 minutes each composed of 60 seconds.
Every Year is 365 days divided in 12 months of 30 days each, in 4 seasons: Winter (Month 1, 2, 3), Spring (Month 4, 5, 6), Summer (Month 7, 8, 9), Autumn (Month 10, 11, 12).
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In Winter there are 8 Hours of Day (0:30 to 8:30), 1 Hour of Sunset (8:30 to 9:30), 14 Hours of Night (9:30 to 23:30), 1 Hour of Sunrise (23:30 to 0:30);
In Spring and Autumn there are 11 Hours of Day (0:30 to 11:30), 1 Hour of Sunset (11:30 to 12:30), 11 Hours of Night (12:30 to 23:30), 1 Hour of Sunrise (23:30 to 0:30);
In Summer there are 14 Hours of Day (0:30 to 14:30), 1 Hour of Sunset (14:30 to 15:30), 8 Hours of Night (15:30 to 23:30), 1 Hour of Sunrise (23:30 to 0:30).
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The remaining days are: White Day (the first day of the Year), Yellow Day (the day between Spring and Summer), Red Day (the day between Spring and Summer), Blue Day (the day between Spring and Summer), Black Day (the last day of the Year); All of those Days are composed like Spring and Autumn.
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The Red Moon happens every Year during Red Day;
The Blood Moon happens once every 666 Years during Red Day.
The Years are measured from the last Blood Moon.
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Months/Days Year Hour:Minute.
6/15 664: Boats and ships no longer travels;
Red Day 664: Start of Chapter 1, Rebirth of Luna;
7/1 664: Chapter 2-5;
7/3 664: Start of Unique Weapon construction;
7/10 664: Completion of Unique Weapon;
7/15 664: Boats and ships return to travel, Luna leaves island on a ship;
7/18 664: Team of Heroes travel towards the island;
7/21 664: The ship of the Heroes is attacked by a Wild Sea Drake