Related Clues:

• Scotland's only poisonous snake
• Summer hrs.
• 'Spring ahead' hrs.
• SUMMER
• Poisonous snake
• It's over in Oct.
• Milk snake, e.g.
• It starts in early Apr.
• Puff ___
• Spring-ahead letters
• Abacus user
• Timezone letters
• Relative of 1-Across
• Calculating snake?
• Venomous serpent