XH2 glyphs from: Maya Hieroglyphic Database: Catalog. Drawings by Matthew Looper, except codical examples by Martha Macri.

XH2a #1 HA'B tun, year, period: 360 days, tun; 365 days, hab

XH2a #2 HA'B tun, year, period: 360 days, tun; 365 days, hab

XH2a #3 HA'B tun, year, period: 360 days, tun; 365 days, hab

XH2b #1 TUUN stone