What time of day are most U.S. babies born? What time of day are most U.S. babies born? What time of day are most U.S. babies born? What time of day are most U.S. babies born? What time of day are most U.S. babies born? What time of day are most U.S. babies born? What time of day are most U.S. babies born? What time of day are most U.S. babies born? What time of day are most U.S. babies born? What time of day are most U.S. babies born? What time of day are most U.S. babies born? What time of day are most U.S. babies born?