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Reference text ( Maintained text, used as reference ) :
Notes: (Lanstiril, 2021-05-27)

Time on Atys passes at a different rate than Real Time, and the homins of Atys have their own units of time measurement. This page explains how time on Atys is measured and how to convert Atys time to real time.

The Atys time can be viewed ingame at any time by calling up the Map window (M). There's also some tools out there to:

• view the current Atys time

Time continues to pass at a steady rate on Atys. When Ryzom was released in September 2004, the ingame year was 2525 JY. Somewhere in March 2010, the ingame year reached 2550 JY.

Units of Time on Atys

• Jena Year (JY) - One Jena Year is divided in four cycles.
• Atysian Cycle (AC) - Each cycle is composed by four seasons.
• Season - Each season is composed by three months.
• Month - Each month is composed by five weeks.
• Week - Each week is composed by six days.
• Day - Each day is divided in 24 hours.
• Hour (h) - The smallest unit of time.

Conversion table of Atysian units of measurement for time

	Atysian Cycles	Seasons	Months	Weeks	Days	Hours
1 Jena Year	4	16	48	240	1440	34560
1 Atysian Cycle	1	4	12	60	360	8640
1 Season	1/4	1	3	15	90	2160
1 Month	1/12	1/3	1	5	30	720
1 Week	1/60	1/15	1/5	1	6	144
1 Day	1/360	1/90	1/30	1/6	1	24
1 Hour	1/8640	1/2160	/720	1/144	1/24	1

Months and Seasons

There are 12 months in one Atysian Cycle, 3 months per season, and each month has it's own name.

Season	Month	#
Spring	Winderly	1
	Germinally	2
	Folially	3
Summer	Floris	4
	Medis	5
	Thermis	6
Autumn	Harvestor	7
	Frutor	8
	Fallenor	9
Winter	Pluvia	10
	Mystia	11
	Nivia	12

Days of the week

There are 6 days in one Atysian week, and each day has it's own name.

1. Prima
2. Dua
3. Tria
4. Quarta
5. Quinteth
6. Holeth (Day of Grace for both Kami and Karavan)

Composition of a day

There are 24 hours in every day on Atys. Midnight is either 24h or 0h.

• Dawn: 3h-6h
• Day: 6h-20h
• Twilight: 20h-22h
• Night: 22h-3h

Nomenclature of dates

There are three ways of writing down an Atysian date:

1. "Holeth, Floris 12, 3rd AC 2532 (JY)"
2. "2532 : 12/4/3"
3. "Holeth, Floris 12, AC III 2532 JY"
4. "2532-3-4-12", in accordance with the Atys ISO standard, and commonly used in the N'ASA library.

All of these examples designate the same date; in this case a Holeth day which was the 12th day of the month Floris, in the third Atysian Cycle of Jena Year 2532.

Real time

Conversion table of how fast Atysian time passes in relation to real time.

Atysian Time	Real Time (1)	Real Time (2)
1 Jena Year	2,4 months	72 days
1 Atysian Cycle	2,57 weeks	18 days
1 Atysian season	108 hours	4,5 days
1 Atysian month	36 hours	1,5 days
1 Atysian week	432 minutes	7h12
1 Atysian day	72 minutes	1h12
1 Atysian hour	3 minutes	-

Real time	Atys time
	h	days	weeks	months	Seasons	AC	Y
1 minute	0,33
1 hour	20	0,83	0,14
1 day	480	20	3,33	0,67
1 week	3360	140	23,33	4,67	1,56
1 month (30 days)	14400	600	100,00	20,00	6,67	1,67
3 months (90 days)	43200	1800	300,00	60,00	20,00	5,00	1,25
1 year (365 days)	175200	7300	1216,67	243,33	81,11	20,28	5,07

Helpful tips and links

Tip to write time in fora

[time date=white time=white timer=gray] 2015-03-03 13:14 UTC [/time] will display as Tuesday, March 3 13:14:00 UTC (il y a 24 mins.)

[date] 2015-03-03 13:14 UTC [/date] will display as 12h - Dua, Germinally 8, 2e CA 2582

Kervala's application to convert dates

• https://ryzom.kervala.net/time.php?shard=atys

Ryzom Tracker app (Ryzom Armory)

Ryzom Tracker - Tracks the current time on Atys.

WARNING: the real time to provide to the application is the CET/CEST time - 1 minute

Ryzom API

• see Ryzom_API, Time paragraph : https://api.ryzom.com/time.php?format=txt

test it! ⏩ https://api.ryzom.com/time.php?format=txt

Last version 2023-03-15•ᐒ