Getting the right UTC at the targeted time zone

RightTimeAndZone.java

/*
 *  Setting the right time for the targeted zone e.g. Asia/Singapore
 *       LocalDateTime.now(ZoneId.of("Asia/Singapore")) // set the time of the targeted time zone
 *         .atZone(ZoneId.of("Asia/Singapore"))         // set the time zone ONLY for the time above. Doesn't affect time
 *         .toEpochSecond()                             // find the UTC time for the time at the timezone and convert it to seconds
 */
System.out.println(LocalDateTime.now(ZoneId.of("Asia/Singapore")).atZone(ZoneId.of("Asia/Singapore")).toEpochSecond());

/*
 * Shorter versions with ZonedDateTime
 */
System.out.println(ZonedDateTime.now(ZoneId.of("Asia/Singapore")).toEpochSecond());

// Target time zone is Calcutta
System.out.println(ZonedDateTime.now(ZoneId.of("Asia/Calcutta")).toEpochSecond());

// All should show the same UTC seconds