| Symbol | Description | Uses |
| zc | 3 |
| File | Line number | Procedure | Code |
| ./pkg/fizhi/fizhi_clockstuff.F | 918 | ASTRO |
_RL daylen, fac, thm, thp, thnow, zs, zc, sj, cj |
| ./verification/fizhi-cs-aqualev20/code/fizhi_clockstuff.F | 920 | ASTRO |
_RL daylen, fac, thm, thp, thnow, zs, zc, sj, cj |
| ./pkg/chronos/chronos.F | 741 | ASTRO |
_RL daylen, fac, thm, thp, thnow, zs, zc, sj, cj |