{"id":"vidhyamitra:city-day:perth:1871-01-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1871-01-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1871-01-28","date_display":"January 28, 1871 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1871,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2404455.770833,"kali_year":4972,"ahargana":1815990.2708,"sun":{"sidereal_longitude":285.9799,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":9.8199,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":83.8399,"elapsed_within_tithi_degrees":11.8399},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":9.8199,"elapsed_within_degrees":9.8199},"yoga":{"number":23,"name":"Śubha","sum_longitude":295.7998},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1871,"month":1,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2404455.770833,"ahargana":1815990.2708,"kali_year":4972,"ayanamsa_lahiri":22.052,"grahas":{"sun":{"sidereal_longitude":285.678765,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":10.17826500000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false,"latitude":-4.2355},"mars":{"sidereal_longitude":166.98456499999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":268.408465,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":56.14056499999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":299.577265,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":254.01396499999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":80.0963,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":260.0963,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1871,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2404455.770833,"kali_year":4972,"ahargana":1815990.2708,"sun":{"sidereal_longitude":285.9799,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":9.8199,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":83.8399,"elapsed_within_tithi_degrees":11.8399},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":9.8199,"elapsed_within_degrees":9.8199},"yoga":{"number":23,"name":"Śubha","sum_longitude":295.7998},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.235,"elongation":83.84},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.235,"opposition_distance":96.16}},"eclipse_window_40days":[]},"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"tier2":{"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"sunriseLocal":"05:38","sunsetLocal":"19:21","solarNoonLocal":"12:30","dayLengthHours":13.73156765523396,"dayLengthDisplay":"13 Hours 43 Mins 54 Secs","nightLengthDisplay":"10 Hours 16 Mins 06 Secs","moonriseLocal":"12:36","moonsetLocal":"23:39","rahuKala":{"name":"Rāhu Kāla","start":"09:04","end":"10:47","startHours":9.059318620105941,"endHours":10.775764577010186,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:13","end":"15:56","startHours":14.208656490818676,"endHours":15.92510244772292,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:38","end":"07:21","startHours":5.626426706297452,"endHours":7.342872663201697,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:17","startHours":8.830459159185375,"endHours":9.288178081026508,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:12","end":"06:34","startHours":6.198575358598867,"endHours":6.564750496071772,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:57","startHours":12.0344916120733,"endHours":12.949929455755562,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:48","end":"04:43","startHours":3.7955510189329242,"endHours":4.710988862615188,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:29","end":"05:38","startHours":4.482129401694622,"endHours":5.626426706297452,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:42","startHours":14.78080514312009,"endHours":15.696242986802355,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:09","end":"19:33","startHours":19.15799436153141,"endHours":19.55799436153141,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:21","end":"19:56","startHours":19.35799436153141,"endHours":19.930143013832826,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:06","end":"20:51","startHours":19.10799436153141,"endHours":20.85799436153141,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:57","startHours":24.0344916120733,"endHours":24.949929455755562,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:38","end":"07:21","startHours":5.626426706297452,"endHours":7.342872663201697,"quality":"inauspicious"},{"name":"Śubha","start":"07:21","end":"09:04","startHours":7.342872663201697,"endHours":9.059318620105941,"quality":"auspicious"},{"name":"Roga","start":"09:04","end":"10:47","startHours":9.059318620105941,"endHours":10.775764577010186,"quality":"inauspicious"},{"name":"Udveg","start":"10:47","end":"12:30","startHours":10.775764577010186,"endHours":12.492210533914431,"quality":"inauspicious"},{"name":"Chala","start":"12:30","end":"14:13","startHours":12.492210533914431,"endHours":14.208656490818676,"quality":"neutral"},{"name":"Labha","start":"14:13","end":"15:56","startHours":14.208656490818676,"endHours":15.92510244772292,"quality":"auspicious"},{"name":"Amṛta","start":"15:56","end":"17:38","startHours":15.92510244772292,"endHours":17.641548404627166,"quality":"auspicious"},{"name":"Kāla","start":"17:38","end":"19:21","startHours":17.641548404627166,"endHours":19.35799436153141,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:21","end":"20:38","startHours":19.35799436153141,"endHours":20.641548404627166,"quality":"auspicious"},{"name":"Amṛta","start":"20:38","end":"21:56","startHours":20.641548404627166,"endHours":21.92510244772292,"quality":"auspicious"},{"name":"Kāla","start":"21:56","end":"23:13","startHours":21.92510244772292,"endHours":23.208656490818676,"quality":"inauspicious"},{"name":"Śubha","start":"23:13","end":"00:30","startHours":23.208656490818676,"endHours":24.49221053391443,"quality":"auspicious"},{"name":"Roga","start":"00:30","end":"01:47","startHours":24.49221053391443,"endHours":25.775764577010186,"quality":"inauspicious"},{"name":"Udveg","start":"01:47","end":"03:04","startHours":25.775764577010186,"endHours":27.05931862010594,"quality":"inauspicious"},{"name":"Chala","start":"03:04","end":"04:21","startHours":27.05931862010594,"endHours":28.342872663201696,"quality":"neutral"},{"name":"Labha","start":"04:21","end":"05:38","startHours":28.342872663201696,"endHours":29.62642670629745,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:38","end":"06:38","startHours":5.626426706297452,"endHours":6.626426706297452,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:38","end":"07:38","startHours":6.626426706297452,"endHours":7.626426706297452,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:38","end":"08:38","startHours":7.626426706297452,"endHours":8.626426706297451,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:38","end":"09:38","startHours":8.626426706297451,"endHours":9.626426706297451,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:38","end":"10:38","startHours":9.626426706297451,"endHours":10.626426706297451,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:38","end":"11:38","startHours":10.626426706297451,"endHours":11.626426706297451,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:38","end":"12:38","startHours":11.626426706297451,"endHours":12.626426706297451,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:38","end":"13:38","startHours":12.626426706297451,"endHours":13.626426706297451,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:38","end":"14:38","startHours":13.626426706297451,"endHours":14.626426706297451,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:38","end":"15:38","startHours":14.626426706297451,"endHours":15.626426706297451,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:38","end":"16:38","startHours":15.626426706297451,"endHours":16.62642670629745,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:38","end":"17:38","startHours":16.62642670629745,"endHours":17.62642670629745,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:38","end":"18:38","startHours":17.62642670629745,"endHours":18.62642670629745,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:38","end":"19:38","startHours":18.62642670629745,"endHours":19.62642670629745,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:38","end":"20:38","startHours":19.62642670629745,"endHours":20.62642670629745,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:38","end":"21:38","startHours":20.62642670629745,"endHours":21.62642670629745,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:38","end":"22:38","startHours":21.62642670629745,"endHours":22.62642670629745,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:38","end":"23:38","startHours":22.62642670629745,"endHours":23.62642670629745,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:38","end":"00:38","startHours":23.62642670629745,"endHours":24.62642670629745,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:38","end":"01:38","startHours":24.62642670629745,"endHours":25.62642670629745,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:38","end":"02:38","startHours":25.62642670629745,"endHours":26.62642670629745,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:38","end":"03:38","startHours":26.62642670629745,"endHours":27.62642670629745,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:38","end":"04:38","startHours":27.62642670629745,"endHours":28.62642670629745,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:38","end":"05:38","startHours":28.62642670629745,"endHours":29.62642670629745,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-18.33453341929646,"eotMinutes":-12.974632034865841,"ayanamsa":22.052}},"calendars":{"vikram_samvat":1928,"vikram_samvatsara":"Tāraṇa","saka_samvat":1793,"saka_samvatsara":"Prajāpati","bengali_samvat":1278,"malayalam_era":1047,"nanakshahi_year":402,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Saptamī · Vikram 1928 Tāraṇa · Śaka 1793 Prajāpati"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"perth"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 28, 1871 CE · Perth, Australia · Vidhyamitra","description":"January 28, 1871 CE for Perth, Australia: Śukla Saptamī, sūryodaya 05:38, sūryāsta 19:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1871-01-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1871-01-28","sa":"https://sa.vidhyamitra.com/city/perth/1871-01-28","hi":"https://hi.vidhyamitra.com/city/perth/1871-01-28","x-default":"https://vidhyamitra.com/city/perth/1871-01-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T20:51:03.406Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-31T20:51:03.406Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T20:51:03.406Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}