Difference between revisions of "Full Moon"

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The '''Full Moon''' [[holiday|restriction]] was introduced with the 2011 [[Very Scary Halloween Special]]. All previous items that were restricted to [[Halloween]] were updated to be equipable during both Halloween events and full moons. These items are available for use during full moons according to a formula that approximates the [[w:Lunar calendar|lunar calendar]]. During this period, the [[main menu]] background will become a full-color image of [[Double Cross]], the menu [[Main menu#Update-specific class images|class portrait]] will sometimes wear their [[Halloween Costumes]], the default Message of the day will state "Welcome and Enjoy the Full Moon!", and [[Strange]] weapons equipped with [[Strange Parts|Strange Part: Full Moon Kills]] will count kills performed during this timespan.
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The '''Full Moon''' [[holiday|restriction]] was introduced with the 2011 [[Very Scary Halloween Special]]. All previous items that were restricted to [[Halloween]] were updated to be equipable during both Halloween events and full moons. These items are available for use during full moons according to a formula within the game that ''approximates'' the [[w:Lunar calendar|lunar calendar]]. During this period, the [[main menu]] background becomes a full-color image of [[Double Cross]], the menu [[Main menu#Update-specific class images|class portrait]] sometimes wears their [[Halloween Costumes]], the default Message of the day (MOTD) states "Welcome and Enjoy the Full Moon!", and [[Strange]] weapons equipped with [[Strange Part|Strange Part: Full Moon Kills]] count kills performed during this timespan.
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:''Note: The dates provided in this article are computed by [[#Formula|formulas]] internal to this wiki and so are not directly coupled to the game and are provided as estimates only.''
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:''Note: The times that the game sets for each of its Full Moon holidays can be a day or more before or after the real world Full Moons.
  
''Note: the dates provided in this article are computed by [[#Formula|formulas]] internal to this wiki and so are not directly coupled to the game and are provided as estimates only.''
 
 
== Recent Full Moons ==
 
== Recent Full Moons ==
 
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If you would like to keep up on Full Moon event times, you can view [https://www.calendar-365.com/moon/moon-phases.html this] website to be ahead by one year.''
If you would like to keep up on Full Moon event times, you can view [http://www.calendar-365.com/moon/moon-phases.html this] website to be ahead by one year.
 
  
 
== Formula ==
 
== Formula ==
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The formulation computing the Full Moon dates for this page was changed in November 2015 to more closely track the observed Full Moon events, largely by changing the period to be closer to the actual average Lunar period. However, any computation using a fixed constant period does not account for the various oscillations seen in the Lunar period, so the present formula runs several hours ahead or behind the actual event for several months at a time.
 
The formulation computing the Full Moon dates for this page was changed in November 2015 to more closely track the observed Full Moon events, largely by changing the period to be closer to the actual average Lunar period. However, any computation using a fixed constant period does not account for the various oscillations seen in the Lunar period, so the present formula runs several hours ahead or behind the actual event for several months at a time.
  
In the 2020 leaked source code, presumed from 2016-2017, the Full Moon Holiday was configured as a Cyclical Holiday with a period of 29.53 days starting from 2016-05-21 with a duration of 48 hours.<ref>
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In the 2020 leaked source code, presumed from 2016-2017, the Full Moon Holiday was configured as a Cyclical Holiday with a period of 29.53 days starting from 2016-05-21 with a duration of 48 hours.<ref>g_Holiday_FullMoon, game/shared/econ/econ_holidays.cpp, ''Team Fortress 2'', 2020 leaked source code, [[Valve]].</ref> The activation of the holiday effects is computed from the ''server's'' time, not from [[w:Coordinated Universal Time|Coordinated Universal Time]] (UTC) or any other basis, such that the holiday starts and ends at different times for players around the world.<ref>gcsdk/steamextra/rtime.cpp</ref>
g_Holiday_FullMoon, [https://github.com/OthmanAba/TeamFortress2/blob/1b81dded673d49adebf4d0958e52236ecc28a956/tf2_src/game/shared/econ/econ_holidays.cpp econ_holidays.cpp].</ref> The activation of the holiday effects is computed from the ''server's'' time, not from [[w:Coordinated Universal Time|Coordinated Universal Time]] (UTC).<ref>[https://github.com/OthmanAba/TeamFortress2/blob/1b81dded673d49adebf4d0958e52236ecc28a956/tf2_src/gcsdk/steamextra/rtime.cpp rtime.cpp]</ref>
 
  
 
== Update history ==
 
== Update history ==
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File:Full Moon 1.png|Regular full moon.
 
File:Full Moon 1.png|Regular full moon.
 
File:Full Moon 2.png|Halloween full moon.
 
File:Full Moon 2.png|Halloween full moon.
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File:Full Moon MOTD.png|The default Full Moon MOTD.
 
File:Halloween MOTD.png|The default Halloween MOTD.
 
File:Halloween MOTD.png|The default Halloween MOTD.
 
</gallery>
 
</gallery>

Latest revision as of 17:25, 6 March 2024

Full Moon
We're not currently in a full moon.
The next full moon is from April 21, 2024 at 02:02 UTC through to April 23, 2024 at 02:02 UTC (UTC)

The Full Moon restriction was introduced with the 2011 Very Scary Halloween Special. All previous items that were restricted to Halloween were updated to be equipable during both Halloween events and full moons. These items are available for use during full moons according to a formula within the game that approximates the lunar calendar. During this period, the main menu background becomes a full-color image of Double Cross, the menu class portrait sometimes wears their Halloween Costumes, the default Message of the day (MOTD) states "Welcome and Enjoy the Full Moon!", and Strange weapons equipped with Strange Part: Full Moon Kills count kills performed during this timespan.

Note: The dates provided in this article are computed by formulas internal to this wiki and so are not directly coupled to the game and are provided as estimates only.
Note: The times that the game sets for each of its Full Moon holidays can be a day or more before or after the real world Full Moons.

Recent Full Moons

  • February 22, 2024 at 00:36 UTC through to February 24, 2024 at 00:36 UTC
  • March 22, 2024 at 13:19 UTC through to March 24, 2024 at 13:19 UTC

Upcoming Full Moons

  • April 21, 2024 at 02:02 UTC through to April 23, 2024 at 02:02 UTC
  • May 20, 2024 at 14:46 UTC through to May 22, 2024 at 14:46 UTC
  • June 19, 2024 at 03:29 UTC through to June 21, 2024 at 03:29 UTC
  • July 18, 2024 at 16:12 UTC through to July 20, 2024 at 16:12 UTC
  • August 17, 2024 at 04:55 UTC through to August 19, 2024 at 04:55 UTC
  • September 15, 2024 at 17:38 UTC through to September 17, 2024 at 17:38 UTC

If you would like to keep up on Full Moon event times, you can view this website to be ahead by one year.

Formula

When the Full Moon restriction was introduced with the 2011 Very Scary Halloween Special, the formula was set such that the Full Moon event occurred every 29.5 days starting Midday, October 12, 2011. The periods lasted for a full day before and after the time calculated, so the very first Full Moon event was one day either side of 12am (Midnight) on November 10, 2011. However, the actual synodic month is close to 44 minutes and 3 seconds longer than the 29.5 day approximation. The effect of this was that after about four years, the TF2 Full Moon schedule was about one and a half days ahead of the actual lunar phase -- by June 2, 2015, the game (and the Fmp calculations at that time) would close Full Moon events hours before the real Moon was actually full. However, by September 2015 and in subsequent months, the in-game Full Moon event was observed to be more centered on the real full moon time, indicating that the previous game schedule had been changed.

The formulation computing the Full Moon dates for this page was changed in November 2015 to more closely track the observed Full Moon events, largely by changing the period to be closer to the actual average Lunar period. However, any computation using a fixed constant period does not account for the various oscillations seen in the Lunar period, so the present formula runs several hours ahead or behind the actual event for several months at a time.

In the 2020 leaked source code, presumed from 2016-2017, the Full Moon Holiday was configured as a Cyclical Holiday with a period of 29.53 days starting from 2016-05-21 with a duration of 48 hours.[1] The activation of the holiday effects is computed from the server's time, not from Coordinated Universal Time (UTC) or any other basis, such that the holiday starts and ends at different times for players around the world.[2]

Update history

October 27, 2011 Patch (Very Scary Halloween Special)

  • [Undocumented] Halloween-restricted items can now be worn during a Full Moon.

November 10, 2011 Patch

  • Added a full moon background for the main menu.

October 26, 2012 Patch (Spectral Halloween Special)

  • [Undocumented] Halloween-restricted items now have a pumpkin image in backpack view.

September 17, 2014 Patch

  • Enabled Full Moon holiday for one week.

Summer 2015

  • [Undocumented] Full Moon timing was adjusted to more closely correspond to the real lunar calendar.

Gallery

External links

References

  1. g_Holiday_FullMoon, game/shared/econ/econ_holidays.cpp, Team Fortress 2, 2020 leaked source code, Valve.
  2. gcsdk/steamextra/rtime.cpp