Japanese document is here: 日本語のドキュメントはこちら

OLB AM/PM module

This plugin adds on "Group lesson" function for the plugin "Online Lesson Booking (OLB)".


Price5,400 Japanese Yen (JPY)
Additional purchase50% OFF

A discount cord of this module exclusive use (without 50% OFF and a time limit) is issued at the time of the first time purchase.


Contributors: tnomi
Donate link:
Requires at least: WordPress 4.1, OLB 0.6.8
Tested up to: 4.2.2
Stable tag: 1.0.0
License: GPLv2 or later (http://www.gnu.org/licenses/gpl-2.0.html)


Online Lesson Booking system (OLB) is booking system for one-to-one online lesson.
This plugin adds on "Using 12 hour clock (AM/PM)" function for the plugin "Online Lesson Booking (OLB)". ("OLB" must be installed and activated)

"10:00" -> "10:00 AM"
"16:30" -> "04:30 PM"

The "time" in the following pages are shown by 12-hours(AM/PM) clock.

  • "Daily schedule"
  • "Teachers weekly schedule" (posts)
  • "Reservation and cancellation form"
  • "Members history"
  • "Members schedule"
  • "Ticket Logs" (* Only when using "Ticket system")
  • "Scheduler for teacher"
  • "Cancel-form for teacher"
  • "Report-form for teacher"
  • "Teachers histroy"
  • "Teachers schedule"
  • And, Notice mail


Visit Document (ja).


  1. Donwload plugin file and unzip it.
  2. Upload /olb-addon-ampm folder to the /wp-content/plugins/ directory
  3. Activate the plugin through the "Plugins" menu in WordPress

Frequently Asked Questions

Can "AM/PM" be changed to lowercase ("am/pm")?

Add this cord to functions.php of the theme you use.

Can lowercase "am/pm" be returned to uppercase ("AM/PM")?

Add this cord to functions.php of the theme you use.


  1. "Scheduler for teacher" page
  2. "Teachers weekly schedule" page
  3. "Members history" page
  4. "Reservation and cancellation form" page



  • first release.

Upgrade Notice

first release.