{"id":"vidhyamitra:day:1991-04-26:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1991-04-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1991-04-26","date_display":"April 26, 1991 CE","panchanga":{"method":"Sūrya Siddhānta (Burgess 1860 text, no bīja): Sun and Moon by the equation of the apsis with the 24-sine table","engine_version":"3.0 (text of the Sūrya Siddhānta)","accuracy_note":"Siddhāntic places, not the observed sky. Against the observed sky 1900-2030 the Moon averages -0.06 deg (max 3.6 deg), the Sun -0.21 deg (max 0.6 deg).","tradition_chain":"Sūrya Siddhānta, tr. E. Burgess (JAOS 6, 1860): I.29-47, II.15-45","input":{"year":1991,"month":4,"day":26,"hour":5,"minute":45.261,"second":0,"calendar":"gregorian"},"julian_day":2448372.739765,"kali_year":5093,"ahargana":1859907.2398,"sun":{"sidereal_longitude":11.5303,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":157.7313,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.201,"elapsed_within_tithi_degrees":2.201},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":157.7313,"elapsed_within_degrees":11.0647},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":169.2617},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"sky":{"method":"Sūrya Siddhānta four-step process (II.43-44), tabular sines, even/odd epicycles, no bīja; verified against Burgess 1860 worked example","engine_version":"4.0 (Pūrṇa — Burgess text, 2026-09-26)","tradition_sources":"Sūrya Siddhānta Ch. I-III, tr. E. Burgess (JAOS 6, 1860)","input":{"year":1991,"month":4,"day":26,"hour":5,"minute":45.261,"calendar":"gregorian"},"julian_day":2448372.739765,"ahargana":1859907.2398,"kali_year":5093,"ayanamsa":22.3804,"grahas":{"sun":{"sidereal_longitude":11.5303,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":157.7313,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false,"latitude":-4.0631},"mars":{"sidereal_longitude":77.6041,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":353.413,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":104.5893,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"venus":{"sidereal_longitude":53.653,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":275.6178,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":273.1639,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":93.1639,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta (Burgess 1860 text, no bīja): Sun and Moon by the equation of the apsis with the 24-sine table","engine_version":"3.0 (text of the Sūrya Siddhānta)","accuracy_note":"Siddhāntic places, not the observed sky. Against the observed sky 1900-2030 the Moon averages -0.06 deg (max 3.6 deg), the Sun -0.21 deg (max 0.6 deg).","tradition_chain":"Sūrya Siddhānta, tr. E. Burgess (JAOS 6, 1860): I.29-47, II.15-45","input":{"year":1991,"month":4,"day":26,"hour":5,"minute":45.261,"second":0,"calendar":"gregorian"},"julian_day":2448372.739765,"kali_year":5093,"ahargana":1859907.2398,"sun":{"sidereal_longitude":11.5303,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":157.7313,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.201,"elapsed_within_tithi_degrees":2.201},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":157.7313,"elapsed_within_degrees":11.0647},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":169.2617},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.063,"elongation":146.201},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.063,"opposition_distance":33.799}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":2048,"vikram_samvatsara":"Tāraṇa","saka_samvat":1913,"saka_samvatsara":"Prajāpati","bengali_samvat":1398,"malayalam_era":1166,"nanakshahi_year":523,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha (Adhika) Śukla Trayodaśī · Vikram 2048 Tāraṇa · Śaka 1913 Prajāpati"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13,"kala_rule":"pradosha-vrata"},{"tithi_number":28,"kala_rule":"pradosha-vrata"}]},"precedence":7}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Dedicated festival walk for Pradoṣa Vrata is not live yet; Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"1991-04-26T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga April 26, 1991 CE · Vidhyamitra","description":"Vedic pañchāṅga for April 26, 1991 CE: Śukla Trayodaśī · Uttara Phalgunī.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1991-04-26","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1991-04-26","sa":"https://sa.vidhyamitra.com/day/1991-04-26","hi":"https://hi.vidhyamitra.com/day/1991-04-26","x-default":"https://vidhyamitra.com/day/1991-04-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-10-08T19:51:51.940Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-10-08T19:51:51.940Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}