Approximately at the time of. A phrase used to speak vaguely about a certain time frame. Along about my third cup of coffee, I started feeling too jittery to sit at my desk and actually work. Along about March, I really can't wait anymore for spring.
along aboutround about a specified time or date. North American informal or dialect
1989 Motor Trend Along about this time, it had started raining, so they red-flagged the race for a change to rain tires.