around the clock
1
non-stop and continuing through the whole day and night
The idiom "around the clock" originated from the concept of measuring time using a clock's circular face. It dates back to the late 19th century, when mechanical clocks became more prevalent and clock faces featured 12-hour or 24-hour markings. This expression is commonly employed in situations that require constant attention, monitoring, or availability.
- The customer service hotline operates around the clock to assist customers at any time.
- They work around the clock to meet the project deadline.
- The security team patrols the premises around the clock to ensure safety.
- The team worked around the clock to complete the construction project ahead of schedule.
- The emergency response team operated around the clock during the natural disaster.
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