| Postdawn period |
| Std. batteries |
| Std. |
| Broadway org. estd. 1935 |
| Unit of binary digits |
| Browser std. with tags |
| Not having a std. conjugation |
| Astronomer's std. |
| BBC std. |
| Chronometric std. |
| Prime meridian std. |
| Astronomical observation std. |
| Std. copier size |
| Godiva's digits? |
| Pronunciation guide std. |
| Postdeadline |
| Basis of std. time |
| Country estd. in 1948 |
| Proof is its std. of strength |
| Non-std. |
| Nation estd. in 1948 |
| How nine divides numbers whose digits sum to a multiple of nine |
| Highest digits in sudoku |
| Std. time setting |
| Network std. for smartphones |
| BBC World Service std. |
| Std. that starts at the 75th meridian |
| ___ code (first three digits of a phone number) |
| Clock std. |
| Anyone able to rattle off more than 10 digits of pi, probably |