ID label description
1 Jan January
2 Feb February
3 Mar March
4 Apr April
5 May May
6 Jun June
7 Jul July
8 Aug August
9 Sep September
10 Oct October
11 Nov November
12 Dec December
13 J-D January-to-December
14 D-N December-to-November
15 DJF December-to-February
16 MAM March-to-May
17 JJA June-to-August
18 SON September-to-November