(bÄt) n. 1. An agreement usually between two parties that the one who has made an incorrect prediction about an uncertain outcome will forfeit something stipulated to the other; a wager: made a bet that it would stop raining before 2:00. 2. An amount or object risked in a wager; a stake: a bet of $50.
1 billion seconds is a significant birthday or anniversary, being about 4 months shy of 32 years. 1 billion seconds is 31 years, 251 days, 13 hours, 34 minutes, 54.7843 seconds. But note that these are 365-day years, so you have to adjust for leap years. Remember, a leap year adds 1 day at the end of February on years that are divisible by 4, unless they're also divisble by 100, except when it's also divisible by 400.
A Billion Seconds Old? When will you be ONE BILLION seconds old? Or indeed, when were you ONE BILLION seconds old? ONE BILLION seconds is just over 31 years, if you enter the time and date of your birth, the system will work out the date that marks the passing of ONE BILLION seconds!