HK Five One Calendar 是專門為 BNO 簽証持有人而設。用以記錄個人的出入境日期，並計算申請永居和入藉所容許的餘下離英日數。
*免責聲明
HK Five One Calendar is created for BNO visa holder. The app records the dates of leave UK, and helps to calculate the allowable remaining number of days to leaeve UK for ILR and citizenship application.
*Disclaimer
