由于《天国大魔镜》中有提及明显的年代时间，因此为同好们整理了关于该作品的时间线（以漫画为主，设定集为辅）。
剧情中涉及到的日期有3种。
1.公元纪年：即现实世界所采用的世界通用纪年方式，如2039年。
2.“天荣”纪年：为剧情中独创的纪年方式，天荣元年即2007年。
3.年号纪年：即现实世界中，日本本国使用的纪年法，与现实世界一致。
时间线中，为使读者更方便的了解各时间点所发生的事情，统一采用公元纪年的方式呈现。
注：H’表示漫画的话数，‘P’表示该话的页码。
"}},"events":[{"background":null,"end_date":null,"media":{"caption":"","credit":"","thumb":"https://oss.meoogo.com/upload/timeline/2023/8/oss_3afa328709f3460fa03e45cdf0107ba5.jpg?x-oss-process=style/style_1","title":"","url":"https://oss.meoogo.com/upload/timeline/2023/8/oss_3afa328709f3460fa03e45cdf0107ba5.jpg?x-oss-process=style/style_1"},"start_date":{"day":"","format":"","month":"4","year":"1945"},"text":{"headline":"诗乃出生","text":"1945年4月20日，上仲诗乃出生于埼玉县草加市。
"},"unique_id":"timeEvent_198"},{"background":null,"end_date":null,"media":{"caption":"","credit":"","thumb":"https://oss.meoogo.com/upload/timeline/2023/8/oss_133da4fc1d7a4cd39afb2cb6ee4160d6.jpg?x-oss-process=style/style_1","title":"","url":"https://oss.meoogo.com/upload/timeline/2023/8/oss_133da4fc1d7a4cd39afb2cb6ee4160d6.jpg?x-oss-process=style/style_1"},"start_date":{"day":"","format":"","month":"","year":"1995"},"text":{"headline":"第二间学园","text":"第二间高原学园创立。
"},"unique_id":"timeEvent_199"},{"background":null,"end_date":null,"media":{"caption":"","credit":"","thumb":"https://oss.meoogo.com/upload/timeline/2023/8/oss_a8f0c91e3e2b4a82b6f649d12bfacc13.jpg?x-oss-process=style/style_1","title":"","url":"https://oss.meoogo.com/upload/timeline/2023/8/oss_a8f0c91e3e2b4a82b6f649d12bfacc13.jpg?x-oss-process=style/style_1"},"start_date":{"day":"","format":"","month":"","year":"2000"},"text":{"headline":"米娜预言","text":"米娜计算预言到了小行星，园长诗乃为迎接撞击建立了学园。
"},"unique_id":"timeEvent_200"},{"background":null,"end_date":null,"media":{"caption":"","credit":"","thumb":"https://oss.meoogo.com/upload/timeline/2023/8/oss_9c5017d1b2d74f85aab8cf64e81e7e52.jpg?x-oss-process=style/style_1","title":"","url":"https://oss.meoogo.com/upload/timeline/2023/8/oss_9c5017d1b2d74f85aab8cf64e81e7e52.jpg?x-oss-process=style/style_1"},"start_date":{"day":"","format":"","month":"","year":"2009"},"text":{"headline":"二期生出生","text":"学园二期生，美美姬、鹰、杏、时雄这一批出生。
"},"unique_id":"timeEvent_204"},{"background":null,"end_date":null,"media":{"caption":"","credit":"","thumb":"https://oss.meoogo.com/upload/timeline/2023/8/oss_765c8c1b7f8a4e13ba35d001a018852c.jpg?x-oss-process=style/style_1","title":"","url":"https://oss.meoogo.com/upload/timeline/2023/8/oss_765c8c1b7f8a4e13ba35d001a018852c.jpg?x-oss-process=style/style_1"},"start_date":{"day":"","format":"","month":"","year":"2011"},"text":{"headline":"露敏出生","text":"2011年11月11日 稻崎露敏出生。
"},"unique_id":"timeEvent_201"},{"background":null,"end_date":null,"media":{"caption":"","credit":"","thumb":"https://oss.meoogo.com/upload/timeline/2023/8/oss_dae76b5aa0124f36928e1098d1af171d.jpg?x-oss-process=style/style_1","title":"","url":"https://oss.meoogo.com/upload/timeline/2023/8/oss_dae76b5aa0124f36928e1098d1af171d.jpg?x-oss-process=style/style_1"},"start_date":{"day":"","format":"","month":"","year":"2018"},"text":{"headline":"阿斯拉自杀","text":"天荣12年（2018年）5月6日 23:40阿斯拉在屏蔽了摄像头与显示器后，前往瑚那的寝室与其告别，之后自杀。
"},"unique_id":"timeEvent_202"},{"background":null,"end_date":null,"media":{"caption":"","credit":"","thumb":"https://oss.meoogo.com/upload/timeline/2023/8/oss_10df281dfd834ec586abef5bfcc45838.jpg?x-oss-process=style/style_1","title":"","url":"https://oss.meoogo.com/upload/timeline/2023/8/oss_10df281dfd834ec586abef5bfcc45838.jpg?x-oss-process=style/style_1"},"start_date":{"day":"","format":"","month":"","year":"2022"},"text":{"headline":"水桥就医","text":"后来的『LiviuMan』组织代表水桥来不灭教团就医，被安装了义肢。
"},"unique_id":"timeEvent_203"},{"background":null,"end_date":{"day":"","format":"","month":"10","year":"2023"},"media":{"caption":"","credit":"","thumb":"https://oss.meoogo.com/upload/timeline/2023/8/oss_189461ce19144c2da9cfdcf9391acdc8.jpg?x-oss-process=style/style_1","title":"","url":"https://oss.meoogo.com/upload/timeline/2023/8/oss_189461ce19144c2da9cfdcf9391acdc8.jpg?x-oss-process=style/style_1"},"start_date":{"day":"","format":"","month":"7","year":"2023"},"text":{"headline":"学生变化","text":"1、猿渡发现育儿室脚印。
2、多罗尾去世。
3、时雄出现孕吐。
4、监控视频被篡改。
"},"unique_id":"timeEvent_205"},{"background":null,"end_date":{"day":"","format":"","month":"8","year":"2024"},"media":{"caption":"","credit":"","thumb":"https://oss.meoogo.com/upload/timeline/2023/8/oss_0343f88a44a64755bb16a72e6c95073f.jpg?x-oss-process=style/style_1","title":"","url":"https://oss.meoogo.com/upload/timeline/2023/8/oss_0343f88a44a64755bb16a72e6c95073f.jpg?x-oss-process=style/style_1"},"start_date":{"day":"","format":"","month":"6","year":"2024"},"text":{"headline":"送迎","text":"1、真流与大和出生。
2、园长放出了『战士』。
3、时雄归来，测试即将开始。
4、时雄梦醒，测试开始。
5、自卫队到来。
6、三仓入院。
"},"unique_id":"timeEvent_206"},{"background":null,"end_date":{"day":"","format":"","month":"11","year":"2024"},"media":{"caption":"","credit":"","thumb":"https://oss.meoogo.com/upload/timeline/2023/8/oss_daafd695a55b4c2ab226cc9ee4fa5a15.jpg?x-oss-process=style/style_1","title":"","url":"https://oss.meoogo.com/upload/timeline/2023/8/oss_daafd695a55b4c2ab226cc9ee4fa5a15.jpg?x-oss-process=style/style_1"},"start_date":{"day":"","format":"","month":"8","year":"2024"},"text":{"headline":"“天国”尾声","text":"1、美美姬等人适应新身份。
2、令和周刊。
3、三仓尚未恢复记忆。
4、上仲老师跟猿渡交流。
5、三仓恢复记忆，大灾难来临。
"},"unique_id":"timeEvent_207"},{"background":null,"end_date":{"day":"","format":"","month":"","year":"2034"},"media":{"caption":"","credit":"","thumb":"https://oss.meoogo.com/upload/timeline/2023/8/oss_f8accb5b85ba45718d9a6fbcb5e104d0.jpg?x-oss-process=style/style_1","title":"","url":"https://oss.meoogo.com/upload/timeline/2023/8/oss_f8accb5b85ba45718d9a6fbcb5e104d0.jpg?x-oss-process=style/style_1"},"start_date":{"day":"","format":"","month":"","year":"2031"},"text":{"headline":"真流的过往","text":"1、真流所在的组织解散。
2、真流加入自警团。
"},"unique_id":"timeEvent_208"},{"background":null,"end_date":{"day":"","format":"","month":"1","year":"2035"},"media":{"caption":"","credit":"","thumb":"https://oss.meoogo.com/upload/timeline/2023/8/oss_ad1d30e3be8244d28b15ed3a638176bc.jpg?x-oss-process=style/style_1","title":"","url":"https://oss.meoogo.com/upload/timeline/2023/8/oss_ad1d30e3be8244d28b15ed3a638176bc.jpg?x-oss-process=style/style_1"},"start_date":{"day":"","format":"","month":"9","year":"2034"},"text":{"headline":"桐子与春希","text":"1、桐子比赛弃权。
2、春希暂停射击，前往观赛。
3、桐子开始正式比赛。
4、斩子苏醒。
5、露敏被认为已遭杀害。
6、斩子出院。
"},"unique_id":"timeEvent_209"},{"background":null,"end_date":null,"media":{"caption":"","credit":"","thumb":"https://oss.meoogo.com/upload/timeline/2023/8/oss_37158b48beac4a2e8093f006f566f01d.jpg?x-oss-process=style/style_1","title":"","url":"https://oss.meoogo.com/upload/timeline/2023/8/oss_37158b48beac4a2e8093f006f566f01d.jpg?x-oss-process=style/style_1"},"start_date":{"day":"","format":"","month":"","year":"2037"},"text":{"headline":"稻崎露敏","text":"2037年 稻崎露敏在宇佐美（白）处生活学习。
"},"unique_id":"timeEvent_210"},{"background":null,"end_date":null,"media":{"caption":"","credit":"","thumb":"https://oss.meoogo.com/upload/timeline/2023/8/oss_1ad52c4aaf944dfc8722ce76ae4efa8f.jpg?x-oss-process=style/style_1","title":"","url":"https://oss.meoogo.com/upload/timeline/2023/8/oss_1ad52c4aaf944dfc8722ce76ae4efa8f.jpg?x-oss-process=style/style_1"},"start_date":{"day":"","format":"","month":"","year":"2038"},"text":{"headline":"墙中镇","text":"2038年 七希和伊笑带着寿一与孩子逃离墙中镇失败，七希和伊笑被吊死示众，只有寿一逃离成功。
"},"unique_id":"timeEvent_211"},{"background":null,"end_date":null,"media":{"caption":"","credit":"","thumb":"https://oss.meoogo.com/upload/timeline/2023/8/oss_ca25397912dd4befb62f9b807f7b6453.jpg?x-oss-process=style/style_1","title":"","url":"https://oss.meoogo.com/upload/timeline/2023/8/oss_ca25397912dd4befb62f9b807f7b6453.jpg?x-oss-process=style/style_1"},"start_date":{"day":"","format":"","month":"","year":"2039"},"text":{"headline":"真流与斩子","text":"1、斩子与真流相遇。
2、真流发现高原学园标志。
3、斩子对真流讲述自己的事情。
4、真流和美千花切磋。
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