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Topography and the local environment:
Laboratory is located on the eastern slopes of mt.Olympus, in the heart of broad-leaved evergreens [Quercetalia ilicis] at an altitude of 400m. The area is dominated by shrubs and low-rising trees such as the holm oak [Quercus ilex], Greek strawberry tree [Arbutus adrachnae], kermes oak [Quercus coccifera], strawberry tree [Arbutus unedo], prickly Juniper [Juniperus oxycedrus], etc. Characteristic deciduous species at this altitude include manna ash [Fraxinus ornus], Montpellier maple [Acer monspessulanum], Judas-tree [Cercis siliquastrum], European smoke tree [Cotinus coggygria] and others.
Climate can be described as one of Mediterranean type with continental influence, hot and dry in the summer, while humid and cold in the winter. Its local variations are the result of the impact of the sea and the rugged relief of the region.
Map.1 ΓΥΣ [HMGS/ArcGIS] 1:18.000
Map.2 ΓΥΣ [HMGS/ArcGIS] 1:9.000
Map.3 ΓΥΣ [HMGS/ArcGIS] 1:4.500
Map.4 Советская Армия [SA/1971-1991] 1:50.000
Map.5 Советская Армия [SA/1971-1991] 1:50.000
Laboratory’s instrument shelter holds meteorological equipment that can be measure the atmosphere’s Temperature [Current/Max/Min-°C], Barometric Pressure [hPa], Relative Humidity [%], Precipitation [Rain/Snow-mm], Clouds [High/Mid/Low Level Identification/Photos], Aerosol Optical Thickness [AOT], Surface/Soil Temperature [5/10cm °C] and Surface Conditions.
Instrument shelter specifications:
Station Index ID | 193799 | GLOBE Site | Research Area: LIT-193799S3 |
Latitude | 40.096737° |
Longitude | 22.497476° |
Grid Square Locator | KN10fc |
Elevation | 400m |
Field code | MUC 93 |
Type | Conventional |
Observations | Data [Online] |
Monthly Air Temperature statistics [°C]:
Month/Year | Average Mean* | Average High | Average Low | Record High | Record Low | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
04/2020 | 17.9 | 20.5 | 6.3 | 25.1 | 1.5 | |||||||||||
05/2020 | 22.5 | 24.6 | 11.9 | 33.8 | 8.0 | |||||||||||
06/2020 | 23.2 | 28.0 | 14.4 | 33.4 | 8.6 | |||||||||||
07/2020 | 22.5 | 30.8 | 17.9 | 36.0 | 14.6 | |||||||||||
08/2020 | 28.5 | 30.7 | 18.5 | 37.1 | 15.5 | |||||||||||
09/2020 | 26.5 | 27.8 | 15.9 | 35.6 | 12.3 | |||||||||||
10/2020 | 20.9 | 22.2 | 11.3 | 27.1 | 7.2 | |||||||||||
11/2020 | 13.1 | 14.9 | 6.2 | 19.6 | 0.7 | |||||||||||
12/2020 | 9.9 | 11.0 | 5.3 | 15.4 | 1.6 | |||||||||||
01/2021 | 8.2 | 10.5 | 1.7 | 17.3 | -8.3 | |||||||||||
02/2021 | 10.0 | 12.4 | 2.4 | 19.5 | -8.2 | |||||||||||
03/2021 | 10.7 | 12.5 | 2.7 | 18.1 | -1.5 | |||||||||||
04/2021 | 14.0 | 16.0 | 5.8 | 23.2 | 1.2 | |||||||||||
05/2021 | 22.6 | 24.9 | 12.0 | 32.0 | 7.8 | |||||||||||
06/2021 | 27.0 | 28.4 | 15.7 | 37.0 | 9.1 | |||||||||||
07/2021 | 30.8 | 31.7 | 19.9 | 37.0 | 17.0 | |||||||||||
08/2021 | 30.6 | 32.1 | 19.8 | 37.7 | 17.1 | |||||||||||
09/2021 | 23.5 | 25.5 | 15.0 | 33.4 | 8.1 | |||||||||||
10/2021 | 14.4 | 15.9 | 8.7 | 20.8 | 4.8 | |||||||||||
11/2021 | 12.7 | 14.2 | 7.0 | 21.2 | 2.7 | |||||||||||
12/2021 | 8.0 | 9.4 | 2.1 | 14.1 | 2.8 | |||||||||||
01/2022 | 6.3 | 8.3 | 0.0 | 16.2 | -8.6 | |||||||||||
02/2022 | 8.8 | 10.7 | 1.5 | 15.6 | -2.1 | |||||||||||
03/2022 | 7.9 | 9.5 | 1.2 | 20.7 | -5.2 | |||||||||||
04/2022 | 15.9 | 18.0 | 7.5 | 23.7 | 2.9 | |||||||||||
05/2022 | 22.7 | 24.6 | 12.0 | 33.9 | 7.1 | |||||||||||
06/2022 | 27.4 | 28.8 | 17.0 | 33.3 | 14.0 | |||||||||||
07/2022 | 29.3 | 30.7 | 18.5 | 33.6 | 13.7 | |||||||||||
08/2022 | 28.6 | 30.0 | 18.6 | 34.5 | 14.2 | |||||||||||
09/2022 | 23.5 | 24.8 | 14.2 | 29.0 | 7.3 | |||||||||||
10/2022 | 20.1 | 21.2 | 10.4 | 26.4 | 6.4 | |||||||||||
11/2022 | 14.9 | 16.5 | 8.1 | 24.3 | 2.0 | |||||||||||
12/2022 | 9.7 | 11.0 | 4.8 | 18.7 | -1.5 | |||||||||||
01/2023 | 9.5 | 11.3 | 2.3 | 18.9 | -2.7 | |||||||||||
02/2023 | 9.6 | 11.0 | 1.2 | 18.0 | -4.0 | |||||||||||
03/2023 | 12.7 | 14.6 | 4.4 | 20.5 | 0.5 | |||||||||||
04/2023 | 14.2 | 16.2 | 6.4 | 22.2 | 0.7 | |||||||||||
05/2023 | 19.1 | 20.7 | 10.9 | 26.0 | 7.4 | |||||||||||
06/2023 | 24.8 | 26.2 | 15.2 | 30.6 | 11.2 | |||||||||||
07/2023 | 31.2 | 32.3 | 19.7 | 37.0 | 15.4 | |||||||||||
08/2023 | 30.5 | 31.7 | 19.4 | 34.9 | 15.0 | |||||||||||
09/2023 | 24.3 | 25.7 | 15.7 | 30.6 | 12.7 | |||||||||||
10/2023 | 21.0 | 22.5 | 12.0 | 28.8 | 7.1 | |||||||||||
Annual Air Temp | ||||||||||||||||
Year | Average Mean* | Average High | Average Low | Record High** | Record Low | |||||||||||
2020*** | N/A | N/A | N/A | 37.1 | N/A | |||||||||||
2021 | 17.7 | 19.5 | 9.4 | 37.7 | -8.3 | |||||||||||
2022 | 17.9 | 19.5 | 9.5 | 33.9 | -8.6 | |||||||||||
2023 | – | – | – | – | – |
Monthly Relative Humidity statistics [%]:
Month/Year | Average Mean* | Record High | Record Low | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
04/2020 | 51.6 | 99 | 24 | |||||||||||||
05/2020 | 47.9 | 85 | 32 | |||||||||||||
06/2020 | 48.4 | 87 | 30 | |||||||||||||
07/2020 | 46.9 | 75 | 26 | |||||||||||||
08/2020 | 53.4 | 93 | 27 | |||||||||||||
09/2020 | 50.5 | 86 | 25 | |||||||||||||
10/2020 | 55.8 | 91 | 33 | |||||||||||||
11/2020 | 61.7 | 94 | 51 | |||||||||||||
12/2020 | 80.9 | 99 | 49 | |||||||||||||
01/2021 | 61.3 | 99 | 35 | |||||||||||||
02/2021 | 65.0 | 99 | 31 | |||||||||||||
03/2021 | 55.2 | 99 | 25 | |||||||||||||
04/2021 | 57.5 | 94 | 20 | |||||||||||||
05/2021 | 53.3 | 86 | 34 | |||||||||||||
06/2021 | 53.1 | 69 | 31 | |||||||||||||
07/2021 | 53.3 | 69 | 29 | |||||||||||||
08/2021 | 55.3 | 75 | 32 | |||||||||||||
09/2021 | 55.5 | 96 | 29 | |||||||||||||
10/2021 | 75.5 | 99 | 49 | |||||||||||||
11/2021 | 80.8 | 99 | 46 | |||||||||||||
12/2021 | 66.0 | 96 | 39 | |||||||||||||
01/2022 | 56.8 | 99 | 30 | |||||||||||||
02/2022 | 61.3 | 99 | 34 | |||||||||||||
03/2022 | 57.6 | 99 | 10 | |||||||||||||
04/2022 | 55.7 | 88 | 24 | |||||||||||||
05/2022 | 50.7 | 85 | 30 | |||||||||||||
06/2022 | 53.2 | 99 | 31 | |||||||||||||
07/2022 | 39.0 | 84 | 26 | |||||||||||||
08/2022 | 46.1 | 80 | 15 | |||||||||||||
09/2022 | 52.6 | 87 | 35 | |||||||||||||
10/2022 | 51.7 | 97 | 31 | |||||||||||||
11/2022 | 68.0 | 99 | 32 | |||||||||||||
12/2022 | 79.9 | 99 | 43 | |||||||||||||
01/2023 | 64.8 | 99 | 35 | |||||||||||||
02/2023 | 45.8 | 99 | 31 | |||||||||||||
03/2023 | 60.8 | 99 | 33 | |||||||||||||
04/2023 | 60.2 | 99 | 35 | |||||||||||||
05/2023 | 61.0 | 99 | 32 | |||||||||||||
06/2023 | 58.3 | 99 | 31 | |||||||||||||
07/2023 | 42.7 | 66 | 22 | |||||||||||||
08/2023 | 38.7 | 74 | 19 | |||||||||||||
09/2023 | 58.1 | 94 | 30 | |||||||||||||
10/2023 | 64.2 | 99 | 34 | |||||||||||||
Annual RH | ||||||||||||||||
Year | Average Mean* | Record High | Record Low | |||||||||||||
2020*** | 55.2 | 99 | 24 | |||||||||||||
2021 | 61.0 | 99 | 20 | |||||||||||||
2022 | 56.1 | 99 | 10 | |||||||||||||
2023 | – | – | – |
Monthly Precipitation [Rain/Snow] statistics [mm]:
Month/Year | Average Mean* | Record High** | Totals | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
04/2020 | 1.2 | 10 | 27 | |||||||||||||
05/2020 | 1.0 | 11 | 34 | |||||||||||||
06/2020 | 2.5 | 34 | 76 | |||||||||||||
07/2020 | 1.8 | 42 | 58 | |||||||||||||
08/2020 | 1.0 | 8 | 34 | |||||||||||||
09/2020 | 1.4 | 25 | 44 | |||||||||||||
10/2020 | 1.4 | 17 | 41 | |||||||||||||
11/2020 | 0.7 | 5 | 21 | |||||||||||||
12/2020 | 14.2 | 203 | 441 | |||||||||||||
01/2021 | 4.3 | 57 | 134 | |||||||||||||
02/2021 | 0.6 | 9 | 19 | |||||||||||||
03/2021 | 4.9 | 45 | 151 | |||||||||||||
04/2021 | 1.4 | 21 | 42 | |||||||||||||
05/2021 | 0.5 | 9 | 17 | |||||||||||||
06/2021 | 2.3 | 30 | 69 | |||||||||||||
07/2021 | 0.2 | 5 | 7 | |||||||||||||
08/2021 | 0.7 | 10 | 22 | |||||||||||||
09/2021 | 4.0 | 59 | 122 | |||||||||||||
10/2021 | 14.4 | 148 | 447 | |||||||||||||
11/2021 | 3.5 | 31 | 105 | |||||||||||||
12/2021 | 1.8 | 11 | 57 | |||||||||||||
01/2022 | 10.2 | 239 | 317 | |||||||||||||
02/2022 | 9.3 | 81 | 261 | |||||||||||||
03/2022 | 3.9 | 55 | 55 | |||||||||||||
04/2022 | 2.2 | 43 | 66 | |||||||||||||
05/2022 | 1.3 | 23 | 41 | |||||||||||||
06/2022 | 3.0 | 28 | 89 | |||||||||||||
07/2022 | 2.9 | 63 | 89 | |||||||||||||
08/2022 | 3.0 | 40 | 93 | |||||||||||||
09/2022 | 2.4 | 63 | 71 | |||||||||||||
10/2022 | 1.4 | 36 | 44 | |||||||||||||
11/2022 | 5.6 | 54 | 168 | |||||||||||||
12/2022 | 8.3 | 157 | 257 | |||||||||||||
01/2023 | 14.3 | 169 | 444 | |||||||||||||
02/2023 | 5.9 | 80 | 166 | |||||||||||||
03/2023 | 6.4 | 80 | 197 | |||||||||||||
04/2023 | 3.4 | 33 | 106 | |||||||||||||
05/2023 | 7.4 | 65 | 229 | |||||||||||||
06/2023 | 3.4 | 34 | 102 | |||||||||||||
07/2023 | 0.2 | 5 | 5 | |||||||||||||
08/2023 | 0.8 | 13 | 24 | |||||||||||||
09/2023 | 8.3 | 105 | 250 | |||||||||||||
10/2023 | 3.2 | 36 | 99 | |||||||||||||
Annual Precipitation | ||||||||||||||||
Year | Average Mean* | Record High** | Totals | |||||||||||||
2020*** | 2.9 | 203 | 776 | |||||||||||||
2021 | 3.3 | 148 | 1192 | |||||||||||||
2022 | 4.2 | 239 | 1551 | |||||||||||||
2023 | – | – | – |
Clarifications:
[1]: * Measurements have been taken +/-1h of Local Solar Noon. The methodology is based upon the Globe Program®/** Record High/24h/*** Data aggregation started in April 2020.
[2]: Usually, daily Atmosphere measurements uploaded within two-hours after Local Solar Noun.
[3]: Monthly summaries of daily data uploaded during the first week of the next month.
[4]: For Aerosol Optical Thickness [AOT] and Surface Temperature data you can go to Data [Online] at Instrument Shelter specifications and select the appropriate fields.
[5]: For more sites/protocols, visit citizen science project and select the ‘Research Area’ of your interest.
Sunshine duration [h:m/d]:
Month | |||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Observed Data | Jan | Feb | Mar | Apr | May | Jun | |||||||||||
Equation of Time [min] | -9.39 | -14.13 | -8.91 | 0.05 | 3.64 | -0.49 | |||||||||||
Solar Declination | -21.08° | -12.61° | -2.06° | 9.84° | 18.91° | 23.32° | |||||||||||
Az [Sunrise] | +117° | +105° | +92° | +76° | +64° | +57° | |||||||||||
El [Sunrise] | 0° | 0° | 0° | 0° | 0° | 0° | |||||||||||
Az [Sunset] | +227° | +240° | +250° | +267° | +280° | +289° | |||||||||||
El [Sunset] | +13° | +13° | +18° | +18° | +17° | +13° | |||||||||||
Apparent Sunrise [UTC] | 05:50 | 05:23 | 04:42 | 03:52 | 03:15 | 03:00 | |||||||||||
Solar Noon [UTC] | 10:39 | 10:44 | 10:38 | 10:30 | 10:26 | 10:30 | |||||||||||
Apparent Sunset [UTC] | 14:00 | 14:42 | 14:52 | 15:27 | 16:30 | 16:36 | |||||||||||
Sunshine Hours* [H:M] | 08:10 | 09:19 | 10:10 | 11:35 | 13:15 | 13:36 | |||||||||||
Solar Distance [AU] | 0.984 | 0.988 | 0.994 | 1.003 | 1.011 | 1.016 | |||||||||||
Polar/Cartesian Charts | Data | Data | Data | Data | Data | Data |
Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|
Equation of Time [min] | -6.00 | -4.51 | 4.74 | 14.22 | 15.46 | 4.90 |
Solar Declination | 21.49° | 13.98° | 2.95° | -8.58° | -18.53° | -23.27° |
Az [Sunrise] | +60° | +70° | +85° | +100° | +113° | +120° |
El [Sunrise] | 0° | 0° | 0° | 0° | 0° | 0° |
Az [Sunset] | +286° | +276° | +256° | +241° | +228° | +225° |
El [Sunset] | +13° | +13° | +20° | +17° | +15° | +11° |
Apparent Sunrise [UTC] | 03:14 | 03:41 | 04:11 | 04:41 | 05:15 | 05:45 |
Solar Noon [UTC] | 10:36 | 10:34 | 10:25 | 10:15 | 10:14 | 10:25 |
Apparent Sunset [UTC] | 16:37 | 16:09 | 14:53 | 14:24 | 13:34 | 13:42 |
Sunshine Hours* [H:M] | 13:23 | 12:28 | 10:42 | 09:43 | 08:19 | 07:57 |
Solar Distance [AU] | 1.016 | 1.013 | 1.006 | 0.997 | 0.989 | 0.984 |
Polar/Cartesian Charts | Data | Data | Data | Data | Data | Data |
Clarifications:
[1]: * Data calculated at 15th of each month on 2021/2022 in consideration the influence of the eastern-facing side of mt.Olympus at the following coordinates: 40°05’48.4″N 22°29’52.1″E.
[2]: Time Zone Offset: 28.03-30.10 UTC+3/31.10-27.03 UTC+2 Europe/Athens
[3]: Equation of Time and Solar Declination calculated at Local Solar Noon [LSN].
Solar Noon [UTC]:
Month | |||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Day | Jan | Feb | Mar | Apr | May | Jun | |||||||||||
01 | 10:33 | 10:43 | 10:42 | 10:34 | 10:27 | 10:27 | |||||||||||
02 | 10:33 | 10:43 | 10:42 | 10:33 | 10:27 | 10:27 | |||||||||||
03 | 10:34 | 10:43 | 10:42 | 10:33 | 10:26 | 10:28 | |||||||||||
04 | 10:34 | 10:43 | 10:41 | 10:33 | 10:26 | 10:28 | |||||||||||
05 | 10:35 | 10:43 | 10:41 | 10:32 | 10:26 | 10:28 | |||||||||||
06 | 10:35 | 10:44 | 10:41 | 10:32 | 10:26 | 10:28 | |||||||||||
07 | 10:36 | 10:44 | 10:41 | 10:32 | 10:26 | 10:28 | |||||||||||
08 | 10:36 | 10:44 | 10:40 | 10:32 | 10:26 | 10:28 | |||||||||||
09 | 10:36 | 10:44 | 10:40 | 10:31 | 10:26 | 10:29 | |||||||||||
10 | 10:37 | 10:44 | 10:40 | 10:31 | 10:26 | 10:29 | |||||||||||
11 | 10:37 | 10:44 | 10:40 | 10:31 | 10:26 | 10:29 | |||||||||||
12 | 10:38 | 10:44 | 10:39 | 10:30 | 10:26 | 10:29 | |||||||||||
13 | 10:38 | 10:44 | 10:39 | 10:30 | 10:26 | 10:29 | |||||||||||
14 | 10:38 | 10:44 | 10:39 | 10:30 | 10:26 | 10:30 | |||||||||||
15 | 10:39 | 10:44 | 10:39 | 10:30 | 10:26 | 10:30 | |||||||||||
16 | 10:39 | 10:44 | 10:38 | 10:29 | 10:26 | 10:30 | |||||||||||
17 | 10:39 | 10:44 | 10:38 | 10:29 | 10:26 | 10:30 | |||||||||||
18 | 10:40 | 10:43 | 10:38 | 10:29 | 10:26 | 10:31 | |||||||||||
19 | 10:40 | 10:43 | 10:37 | 10:29 | 10:26 | 10:31 | |||||||||||
20 | 10:40 | 10:43 | 10:37* | 10:29 | 10:26 | 10:31 | |||||||||||
21 | 10:41 | 10:43 | 10:37 | 10:28 | 10:26 | 10:31** | |||||||||||
22 | 10:41 | 10:43 | 10:37 | 10:28 | 10:26 | 10:31 | |||||||||||
23 | 10:41 | 10:43 | 10:36 | 10:28 | 10:26 | 10:32 | |||||||||||
24 | 10:41 | 10:43 | 10:36 | 10:28 | 10:26 | 10:32 | |||||||||||
25 | 10:42 | 10:43 | 10:36 | 10:28 | 10:26 | 10:32 | |||||||||||
26 | 10:42 | 10:42 | 10:35 | 10:27 | 10:27 | 10:32 | |||||||||||
27 | 10:42 | 10:42 | 10:35 | 10:27 | 10:27 | 10:32 | |||||||||||
28 | 10:42 | 10:42 | 10:35 | 10:27 | 10:27 | 10:33 | |||||||||||
29 | 10:43 | – | 10:34 | 10:27 | 10:27 | 10:33 | |||||||||||
30 | 10:43 | – | 10:34 | 10:27 | 10:27 | 10:33 | |||||||||||
31 | 10:43 | – | 10:34 | – | 10:27 | – |
Day | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|
01 | 10:33 | 10:36 | 10:30 | 10:19 | 10:13 | 10:18 |
02 | 10:33 | 10:36 | 10:29 | 10:19 | 10:13 | 10:19 |
03 | 10:34 | 10:36 | 10:29 | 10:19 | 10:13 | 10:19 |
04 | 10:34 | 10:36 | 10:29 | 10:18 | 10:13 | 10:19 |
05 | 10:34 | 10:36 | 10:28 | 10:18 | 10:13 | 10:20 |
06 | 10:34 | 10:35 | 10:28 | 10:18 | 10:13 | 10:20 |
07 | 10:34 | 10:35 | 10:28 | 10:18 | 10:13 | 10:21 |
08 | 10:35 | 10:35 | 10:27 | 10:17 | 10:13 | 10:21 |
09 | 10:35 | 10:35 | 10:27 | 10:17 | 10:13 | 10:22 |
10 | 10:35 | 10:35 | 10:27 | 10:17 | 10:13 | 10:22 |
11 | 10:35 | 10:35 | 10:26 | 10:16 | 10:13 | 10:23 |
12 | 10:35 | 10:35 | 10:26 | 10:16 | 10:14 | 10:23 |
13 | 10:35 | 10:34 | 10:26 | 10:16 | 10:14 | 10:23 |
14 | 10:35 | 10:34 | 10:25 | 10:16 | 10:14 | 10:24 |
15 | 10:35 | 10:34 | 10:25 | 10:15 | 10:14 | 10:24 |
16 | 10:36 | 10:34 | 10:25 | 10:15 | 10:14 | 10:24 |
17 | 10:36 | 10:34 | 10:24 | 10:15 | 10:14 | 10:25 |
18 | 10:36 | 10:34 | 10:24 | 10:15 | 10:15 | 10:26 |
19 | 10:36 | 10:33 | 10:24 | 10:15 | 10:15 | 10:26 |
20 | 10:36 | 10:33 | 10:23 | 10:14 | 10:15 | 10:27 |
21 | 10:36 | 10:33 | 10:23 | 10:14 | 10:15 | 10:27** |
22 | 10:36 | 10:33 | 10:22 | 10:14 | 10:15 | 10:28 |
23 | 10:36 | 10:32 | 10:22* | 10:14 | 10:16 | 10:28 |
24 | 10:36 | 10:32 | 10:22 | 10:14 | 10:16 | 10:29 |
25 | 10:36 | 10:32 | 10:21 | 10:14 | 10:16 | 10:29 |
26 | 10:36 | 10:32 | 10:21 | 10:14 | 10:17 | 10:30 |
27 | 10:36 | 10:31 | 10:21 | 10:13 | 10:17 | 10:30 |
28 | 10:36 | 10:31 | 10:20 | 10:13 | 10:17 | 10:31 |
29 | 10:36 | 10:31 | 10:20 | 10:13 | 10:18 | 10:31 |
30 | 10:36 | 10:30 | 10:20 | 10:13 | 10:18 | 10:32 |
31 | 10:36 | 10:30 | – | 10:13 | – | 10:32 |
Clarifications:
[1]: Year specified: 2022.
[2]: All times are in UTC. Time Zone Offset: 28.03-30.10 UTC+3/31.10-27.03 UTC+2 Europe/Athens
[3]: * Solar Spring/Autumnal Equinox/** Summer/Winter Soltice.